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BOSTON MARATHON 2026

Chaiya Saffold

Bib: 30818β€’M

AL

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M55-59)
#0 / 1491
Race Day Weather
51Β°/41Β°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
31:29
3.11 mi
Rank: #26309
Start β†’ 5K
31:29 | 10:09/mi
10K
1:03:57
6.21 mi
Rank: #26592 (-283)
5K β†’ 10K
32:28 | 10:28/mi
15K
1:36:50
9.32 mi
Rank: #26672 (-80)
10K β†’ 15K
32:53 | 10:36/mi
20K
2:10:41
12.43 mi
Rank: #26702 (-30)
15K β†’ 20K
33:51 | 10:54/mi
HALF
2:17:27
13.11 mi
Rank: #26632 (+70)
20K β†’ HALF
6:46 | 9:56/mi
25K
2:43:03
15.53 mi
Rank: #26455 (+177)
HALF β†’ 25K
25:36 | 10:34/mi
30K
3:17:45
18.64 mi
Rank: #26343 (+112)
25K β†’ 30K
34:42 | 11:11/mi
20M
3:32:55
20.00 mi
Rank: #26252 (+91)
30K β†’ 20M
15:10 | 11:10/mi
21M
3:45:07
21.00 mi
Rank: #26204 (+48)
20M β†’ 21M
12:12 | 12:12/mi
35K
3:54:06
21.75 mi
Rank: #26228 (-24)
21M β†’ 35K
8:59 | 12:01/mi
23M
4:09:05
23.00 mi
Rank: #26244 (-16)
35K β†’ 23M
14:59 | 11:59/mi
24M
4:20:04
24.00 mi
Rank: #26197 (+47)
23M β†’ 24M
10:59 | 10:59/mi
40K
4:30:44
24.85 mi
Rank: #26214 (-17)
24M β†’ 40K
10:40 | 12:29/mi
25.2M
4:35:25
25.20 mi
Rank: #26230 (-16)
40K β†’ 25.2M
4:41 | 13:35/mi
FINISH
4:46:32
26.22 mi
Rank: #26225 (+5)
25.2M β†’ FINISH
11:07 | 10:55/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:17:27
Pace10:30 /mi
2nd Half
Distance13.11 mi
Time2:29:05
Pace11:23 /mi
πŸ“ŠPositive Split: 8.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:58:5431:2910:0931:29
10:09
-
10K
6.21 mi12:31:221:03:5710:1832:28
10:28
+0:19
15K
9.32 mi13:04:151:36:5010:2432:53
10:36
+0:08
20K
12.43 mi13:38:062:10:4110:3133:51
10:54
+0:18
HALF
13.11 mi13:44:522:17:2710:306:46
9:56
-0:58
25K
15.53 mi14:10:282:43:0310:3025:36
10:34
+0:38
30K
18.64 mi14:45:103:17:4510:3734:42
11:11
+0:37
20M
20.00 mi15:00:203:32:5510:3915:10
11:10
-0:01
21M
21.00 mi15:12:323:45:0710:4412:12
12:12
+1:02
35K
21.75 mi15:21:313:54:0610:468:59
12:01
-0:11
23M
23.00 mi15:36:304:09:0510:5014:59
11:59
-0:02
24M
24.00 mi15:47:294:20:0410:5110:59
10:59
-1:00
40K
24.85 mi15:58:094:30:4410:5410:40
12:29
+1:30
25.2M
25.20 mi16:02:504:35:2510:564:41
13:35
+1:06
FINISH
26.22 mi16:13:574:46:3210:5711:07
10:55
-2:40

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

9:56 /mi

Average Pace

10:56 /mi

Slowest Pace

13:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:10:43

25% of race

Time at Steady Pace

2:44:18

57% of race

Time at Slower Pace

51:31

18% of race

Average Pace: 10:56 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:58:5431:2910:0931:29
10:09
#26309
10K
6.21 mi12:31:221:03:5710:1832:28
10:28
#26592
15K
9.32 mi13:04:151:36:5010:2432:53
10:36
#26672
20K
12.43 mi13:38:062:10:4110:3133:51
10:54
#26702
HALF
13.11 mi13:44:522:17:2710:306:46
9:56
#26632
25K
15.53 mi14:10:282:43:0310:3025:36
10:34
#26455
30K
18.64 mi14:45:103:17:4510:3734:42
11:11
#26343
20M
20.00 mi15:00:203:32:5510:3915:10
11:10
#26252
21M
21.00 mi15:12:323:45:0710:4412:12
12:12
#26204
35K
21.75 mi15:21:313:54:0610:468:59
12:01
#26228
23M
23.00 mi15:36:304:09:0510:5014:59
11:59
#26244
24M
24.00 mi15:47:294:20:0410:5110:59
10:59
#26197
40K
24.85 mi15:58:094:30:4410:5410:40
12:29
#26214
25.2M
25.20 mi16:02:504:35:2510:564:41
13:35
#26230
FINISH
26.22 mi16:13:574:46:3210:5711:07
10:55
#26225
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi26309153401534026838(Top 92%)15533(Top 95%)15533(Top 1042%)
10K6.21 mi3.10 mi26592-28315443-10315443-10326815(Top 92%)15519(Top 95%)15519(Top 1041%)
15K9.32 mi3.11 mi26672-8015468-2515468-2526838(Top 92%)15533(Top 95%)15533(Top 1042%)
20K12.43 mi3.11 mi26702-3015474-615474-626833(Top 92%)15510(Top 95%)15510(Top 1040%)
HALF13.11 mi0.68 mi26632+7015437+3715437+3725499(Top 88%)14918(Top 91%)14918(Top 1001%)
25K15.53 mi2.42 mi26455+17715355+8215355+8225560(Top 88%)14916(Top 91%)14916(Top 1000%)
30K18.64 mi3.11 mi26343+11215274+8115274+8125631(Top 88%)14841(Top 91%)14841(Top 995%)
20M20.00 mi1.36 mi26252+9115225+4915225+4925209(Top 87%)14561(Top 89%)14561(Top 977%)
21M21.00 mi1.00 mi26204+4815197+2815197+2825349(Top 87%)14572(Top 89%)14572(Top 977%)
35K21.75 mi0.75 mi26228-2415195+215195+226733(Top 92%)15209(Top 93%)15209(Top 1020%)
23M23.00 mi1.25 mi26244-1615192+315192+326076(Top 90%)14868(Top 91%)14868(Top 997%)
24M24.00 mi1.00 mi26197+4715163+2915163+2925078(Top 86%)14348(Top 88%)14348(Top 962%)
40K24.85 mi0.85 mi26214-1715157+615157+626495(Top 91%)15010(Top 92%)15010(Top 1007%)
25.2M25.20 mi0.35 mi26230-1615162-515162-526771(Top 92%)15161(Top 93%)15161(Top 1017%)
FINISH26.22 mi1.02 mi26225+515143+1915143+1925948(Top 89%)14735(Top 90%)14735(Top 988%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
Γ—21
+97ft-345ft

Overall

26838

Males

15533

M55-59

15533

5K→10K

3.1 - 6.2 mi

Top 92%
Γ—5
+79ft-138ft

Overall

26815

Males

15519

M55-59

15519

10K→15K

6.2 - 9.3 mi

Top 92%
Γ—3
+67ft-78ft

Overall

26838

Males

15533

M55-59

15533

15K→20K

9.3 - 12.4 mi

Top 92%
Γ—5
+106ft-86ft

Overall

26833

Males

15510

M55-59

15510

20K→HALF

12.4 - 13.1 mi

Top 88%
Γ—2
+19ft-37ft

Overall

25499

Males

14918

M55-59

14918

HALF→25K

13.1 - 15.5 mi

Top 88%
Γ—4
+66ft-88ft

Overall

25560

Males

14916

M55-59

14916

25K→30K

15.5 - 18.6 mi

Top 88%
Γ—9
+181ft-148ft

Overall

25631

Males

14841

M55-59

14841

30K→20M

18.6 - 20.0 mi

Top 87%
Γ—5
+64ft-50ft

Overall

25209

Males

14561

M55-59

14561

20M→21M

20.0 - 21.0 mi

Top 87%
Γ—8
+106ft-24ft

Overall

25349

Males

14572

M55-59

14572

21M→35K

21.0 - 21.8 mi

Top 92%
Γ—7
+17ft-86ft

Overall

26733

Males

15209

M55-59

15209

35K→23M

21.8 - 23.0 mi

Top 90%
Γ—5
+23ft-63ft

Overall

26076

Males

14868

M55-59

14868

23M→24M

23.0 - 24.0 mi

Top 86%
Γ—6
+12ft-82ft

Overall

25078

Males

14348

M55-59

14348

24M→40K

24.0 - 24.9 mi

Top 91%
Γ—1
+6ft-20ft

Overall

26495

Males

15010

M55-59

15010

40K→25.2M

24.9 - 25.2 mi

Top 92%
Γ—1
+13ft-16ft

Overall

26771

Males

15161

M55-59

15161

25.2M→FINISH

25.2 - 26.2 mi

Top 89%
Γ—2
+22ft-21ft

Overall

25948

Males

14735

M55-59

14735

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1091
Passed By
1007
Net Change
+84
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#26309
5K β†’ 10K100383-283#26309#26592
10K β†’ 15K100180-80#26592#26672
15K β†’ 20K105135-30#26672#26702
20K β†’ HALF711+70#26702#26632
HALF β†’ 25K1825+177#26632#26455
25K β†’ 30K16654+112#26455#26343
30K β†’ 20M11120+91#26343#26252
20M β†’ 21M6719+48#26252#26204
21M β†’ 35K2448-24#26204#26228
35K β†’ 23M3955-16#26228#26244
23M β†’ 24M5811+47#26244#26197
24M β†’ 40K2239-17#26197#26214
40K β†’ 25.2M1026-16#26214#26230
25.2M β†’ FINISH3631+5#26230#26225
TOTALS10911007+84
πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Export & Support

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing