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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Gordon Chaffee

Bib: 19612 •M •Age: N/A

CA

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 49%
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M55-59)
#0 / 1491
Top 46%
Race Day Weather
51°/41°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
23:08
3.11 mi
Rank: #12313
Start → 5K
23:08 | 7:27/mi
10K
46:39
6.21 mi
Rank: #12899 (-586)
5K → 10K
23:31 | 7:35/mi
15K
1:10:04
9.32 mi
Rank: #12950 (-51)
10K → 15K
23:25 | 7:33/mi
20K
1:35:07
12.43 mi
Rank: #13888 (-938)
15K → 20K
25:03 | 8:04/mi
HALF
1:40:05
13.11 mi
Rank: #13729 (+159)
20K → HALF
4:58 | 7:18/mi
25K
1:58:59
15.53 mi
Rank: #13723 (+6)
HALF → 25K
18:54 | 7:48/mi
30K
2:24:08
18.64 mi
Rank: #13778 (-55)
25K → 30K
25:09 | 8:06/mi
20M
2:35:12
20.00 mi
Rank: #13761 (+17)
30K → 20M
11:04 | 8:09/mi
21M
2:43:59
21.00 mi
Rank: #13808 (-47)
20M → 21M
8:47 | 8:47/mi
35K
2:50:00
21.75 mi
Rank: #13835 (-27)
21M → 35K
6:01 | 8:03/mi
23M
3:00:22
23.00 mi
Rank: #13863 (-28)
35K → 23M
10:22 | 8:18/mi
24M
3:08:46
24.00 mi
Rank: #13967 (-104)
23M → 24M
8:24 | 8:24/mi
40K
3:16:01
24.85 mi
Rank: #14033 (-66)
24M → 40K
7:15 | 8:29/mi
25.2M
3:19:14
25.20 mi
Rank: #14083 (-50)
40K → 25.2M
3:13 | 9:20/mi
FINISH
3:27:58
26.22 mi
Rank: #14315 (-232)
25.2M → FINISH
8:44 | 8:35/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:40:05
Pace7:39 /mi
2nd Half
Distance13.11 mi
Time1:47:53
Pace8:14 /mi
📊Positive Split: 7.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:08:1523:087:2723:08
7:27
-
10K
6.21 mi11:31:4646:397:3123:31
7:35
+0:08
15K
9.32 mi11:55:111:10:047:3223:25
7:33
-0:02
20K
12.43 mi12:20:141:35:077:4025:03
8:04
+0:31
HALF
13.11 mi12:25:121:40:057:394:58
7:18
-0:46
25K
15.53 mi12:44:061:58:597:4018:54
7:48
+0:30
30K
18.64 mi13:09:152:24:087:4425:09
8:06
+0:18
20M
20.00 mi13:20:192:35:127:4611:04
8:09
+0:03
21M
21.00 mi13:29:062:43:597:498:47
8:47
+0:38
35K
21.75 mi13:35:072:50:007:506:01
8:03
-0:44
23M
23.00 mi13:45:293:00:227:5110:22
8:18
+0:15
24M
24.00 mi13:53:533:08:467:528:24
8:24
+0:06
40K
24.85 mi14:01:083:16:017:547:15
8:29
+0:05
25.2M
25.20 mi14:04:213:19:147:553:13
9:20
+0:51
FINISH
26.22 mi14:13:053:27:587:578:44
8:35
-0:45

Checkpoint Splits Visualizations

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

📈Pace 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

7:18 /mi

Average Pace

7:56 /mi

Slowest Pace

9:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

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

1:33:56

45% of race

Time at Steady Pace

1:17:39

37% of race

Time at Slower Pace

36:23

17% of race

Average Pace: 7:56 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ 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 mi11:08:1523:087:2723:08
7:27
#12313
10K
6.21 mi11:31:4646:397:3123:31
7:35
#12899
15K
9.32 mi11:55:111:10:047:3223:25
7:33
#12950
20K
12.43 mi12:20:141:35:077:4025:03
8:04
#13888
HALF
13.11 mi12:25:121:40:057:394:58
7:18
#13729
25K
15.53 mi12:44:061:58:597:4018:54
7:48
#13723
30K
18.64 mi13:09:152:24:087:4425:09
8:06
#13778
20M
20.00 mi13:20:192:35:127:4611:04
8:09
#13761
21M
21.00 mi13:29:062:43:597:498:47
8:47
#13808
35K
21.75 mi13:35:072:50:007:506:01
8:03
#13835
23M
23.00 mi13:45:293:00:227:5110:22
8:18
#13863
24M
24.00 mi13:53:533:08:467:528:24
8:24
#13967
40K
24.85 mi14:01:083:16:017:547:15
8:29
#14033
25.2M
25.20 mi14:04:213:19:147:553:13
9:20
#14083
FINISH
26.22 mi14:13:053:27:587:578:44
8:35
#14315
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 mi123139167916713135(Top 45%)9426(Top 58%)9426(Top 632%)
10K6.21 mi3.10 mi12899-5869399-2329399-23213552(Top 47%)9640(Top 59%)9640(Top 647%)
15K9.32 mi3.11 mi12950-519389+109389+1013135(Top 45%)9426(Top 58%)9426(Top 632%)
20K12.43 mi3.11 mi13888-9389754-3659754-36516570(Top 57%)10810(Top 66%)10810(Top 725%)
HALF13.11 mi0.68 mi13729+1599691+639691+6311073(Top 38%)8545(Top 52%)8545(Top 573%)
25K15.53 mi2.42 mi13723+69661+309661+3013777(Top 47%)9562(Top 59%)9562(Top 641%)
30K18.64 mi3.11 mi13778-559656+59656+514165(Top 49%)9630(Top 59%)9630(Top 646%)
20M20.00 mi1.36 mi13761+179619+379619+3713844(Top 48%)9379(Top 57%)9379(Top 629%)
21M21.00 mi1.00 mi13808-479615+49615+414865(Top 51%)9743(Top 60%)9743(Top 653%)
35K21.75 mi0.75 mi13835-279600+159600+1514724(Top 51%)9634(Top 59%)9634(Top 646%)
23M23.00 mi1.25 mi13863-289586+149586+1414333(Top 49%)9387(Top 57%)9387(Top 630%)
24M24.00 mi1.00 mi13967-1049612-269612-2616286(Top 56%)10160(Top 62%)10160(Top 681%)
40K24.85 mi0.85 mi14033-669609+39609+315512(Top 53%)9760(Top 60%)9760(Top 655%)
25.2M25.20 mi0.35 mi14083-509624-159624-1516408(Top 57%)10155(Top 62%)10155(Top 681%)
FINISH26.22 mi1.02 mi14315-2329696-729696-7218486(Top 64%)11116(Top 68%)11116(Top 746%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21
+97ft-345ft

Overall

13135

Males

9426

M55-59

9426

5K→10K

3.1 - 6.2 mi

Top 47%
×5
+79ft-138ft

Overall

13552

Males

9640

M55-59

9640

10K→15K

6.2 - 9.3 mi

Top 45%
×3
+67ft-78ft

Overall

13135

Males

9426

M55-59

9426

15K→20K

9.3 - 12.4 mi

Top 57%
×5
+106ft-86ft

Overall

16570

Males

10810

M55-59

10810

20K→HALF

12.4 - 13.1 mi

Top 38%
×2
+19ft-37ft

Overall

11073

Males

8545

M55-59

8545

HALF→25K

13.1 - 15.5 mi

Top 47%
×4
+66ft-88ft

Overall

13777

Males

9562

M55-59

9562

25K→30K

15.5 - 18.6 mi

Top 49%
×9
+181ft-148ft

Overall

14165

Males

9630

M55-59

9630

30K→20M

18.6 - 20.0 mi

Top 48%
×5
+64ft-50ft

Overall

13844

Males

9379

M55-59

9379

20M→21M

20.0 - 21.0 mi

Top 51%
×8
+106ft-24ft

Overall

14865

Males

9743

M55-59

9743

21M→35K

21.0 - 21.8 mi

Top 51%
×7
+17ft-86ft

Overall

14724

Males

9634

M55-59

9634

35K→23M

21.8 - 23.0 mi

Top 49%
×5
+23ft-63ft

Overall

14333

Males

9387

M55-59

9387

23M→24M

23.0 - 24.0 mi

Top 56%
×6
+12ft-82ft

Overall

16286

Males

10160

M55-59

10160

24M→40K

24.0 - 24.9 mi

Top 53%
×1
+6ft-20ft

Overall

15512

Males

9760

M55-59

9760

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1
+13ft-16ft

Overall

16408

Males

10155

M55-59

10155

25.2M→FINISH

25.2 - 26.2 mi

Top 64%
×2
+22ft-21ft

Overall

18486

Males

11116

M55-59

11116

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1158
Passed By
1846
Net Change
-2002
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12313
5K → 10K81200-586#12313#12899
10K → 15K165200-51#12899#12950
15K → 20K26200-938#12950#13888
20K → HALF1634+159#13888#13729
HALF → 25K126120+6#13729#13723
25K → 30K164200-55#13723#13778
30K → 20M11497+17#13778#13761
20M → 21M70117-47#13761#13808
21M → 35K5784-27#13808#13835
35K → 23M76104-28#13835#13863
23M → 24M37141-104#13863#13967
24M → 40K52118-66#13967#14033
40K → 25.2M1161-50#14033#14083
25.2M → FINISH16200-232#14083#14315
TOTALS11581846-2002
📊

Passing Analysis Visualizations

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

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race 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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