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BOSTON MARATHON 2026

James Clifford

Bib: 13070•M

SK

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 36%
Gender (Male)
#0 / 16340
Top 49%
Masters (Masters Men)
#0 / 10617
Top 38%
Age Group (M45-49)
#0 / 2413
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
22:33
3.11 mi
Rank: #10676
Start → 5K
22:33 | 7:16/mi
10K
45:16
6.21 mi
Rank: #10942 (-266)
5K → 10K
22:43 | 7:19/mi
15K
1:07:59
9.32 mi
Rank: #10980 (-38)
10K → 15K
22:43 | 7:19/mi
20K
1:30:54
12.43 mi
Rank: #10968 (+12)
15K → 20K
22:55 | 7:23/mi
HALF
1:35:55
13.11 mi
Rank: #11007 (-39)
20K → HALF
5:01 | 7:22/mi
25K
1:53:54
15.53 mi
Rank: #10911 (+96)
HALF → 25K
17:59 | 7:25/mi
30K
2:17:37
18.64 mi
Rank: #10826 (+85)
25K → 30K
23:43 | 7:39/mi
20M
2:28:03
20.00 mi
Rank: #10781 (+45)
30K → 20M
10:26 | 7:41/mi
21M
2:36:07
21.00 mi
Rank: #10736 (+45)
20M → 21M
8:04 | 8:04/mi
35K
2:41:46
21.75 mi
Rank: #10735 (+1)
21M → 35K
5:39 | 7:34/mi
23M
2:51:25
23.00 mi
Rank: #10659 (+76)
35K → 23M
9:39 | 7:43/mi
24M
2:58:59
24.00 mi
Rank: #10622 (+37)
23M → 24M
7:34 | 7:34/mi
40K
3:05:31
24.85 mi
Rank: #10566 (+56)
24M → 40K
6:32 | 7:39/mi
25.2M
3:08:19
25.20 mi
Rank: #10540 (+26)
40K → 25.2M
2:48 | 8:08/mi
FINISH
3:15:51
26.22 mi
Rank: #10501 (+39)
25.2M → FINISH
7:32 | 7:24/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:35:55
Pace7:20 /mi
2nd Half
Distance13.11 mi
Time1:39:56
Pace7:38 /mi
📊Positive Split: 4.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:1622:337:1622:33
7:16
-
10K
6.21 mi11:13:5945:167:1822:43
7:19
+0:03
15K
9.32 mi11:36:421:07:597:1822:43
7:19
0:00
20K
12.43 mi11:59:371:30:547:1922:55
7:23
+0:04
HALF
13.11 mi12:04:381:35:557:205:01
7:22
-0:01
25K
15.53 mi12:22:371:53:547:2017:59
7:25
+0:03
30K
18.64 mi12:46:202:17:377:2323:43
7:39
+0:14
20M
20.00 mi12:56:462:28:037:2510:26
7:41
+0:02
21M
21.00 mi13:04:502:36:077:278:04
8:04
+0:23
35K
21.75 mi13:10:292:41:467:275:39
7:34
-0:30
23M
23.00 mi13:20:082:51:257:289:39
7:43
+0:09
24M
24.00 mi13:27:422:58:597:287:34
7:34
-0:09
40K
24.85 mi13:34:143:05:317:286:32
7:39
+0:05
25.2M
25.20 mi13:37:023:08:197:292:48
8:08
+0:29
FINISH
26.22 mi13:44:343:15:517:297:32
7:24
-0:44

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

7:16 /mi

Average Pace

7:29 /mi

Slowest Pace

8:08 /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

3:04:59

94% of race

Time at Steady Pace

10:52

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:28 /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 mi10:51:1622:337:1622:33
7:16
#10676
10K
6.21 mi11:13:5945:167:1822:43
7:19
#10942
15K
9.32 mi11:36:421:07:597:1822:43
7:19
#10980
20K
12.43 mi11:59:371:30:547:1922:55
7:23
#10968
HALF
13.11 mi12:04:381:35:557:205:01
7:22
#11007
25K
15.53 mi12:22:371:53:547:2017:59
7:25
#10911
30K
18.64 mi12:46:202:17:377:2323:43
7:39
#10826
20M
20.00 mi12:56:462:28:037:2510:26
7:41
#10781
21M
21.00 mi13:04:502:36:077:278:04
8:04
#10736
35K
21.75 mi13:10:292:41:467:275:39
7:34
#10735
23M
23.00 mi13:20:082:51:257:289:39
7:43
#10659
24M
24.00 mi13:27:422:58:597:287:34
7:34
#10622
40K
24.85 mi13:34:143:05:317:286:32
7:39
#10566
25.2M
25.20 mi13:37:023:08:197:292:48
8:08
#10540
FINISH
26.22 mi13:44:343:15:517:297:32
7:24
#10501
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi106768419841911156(Top 38%)8554(Top 52%)8554(Top 354%)
10K6.21 mi3.10 mi10942-2668535-1168535-11611255(Top 39%)8634(Top 53%)8634(Top 358%)
15K9.32 mi3.11 mi10980-388531+48531+411156(Top 38%)8554(Top 52%)8554(Top 354%)
20K12.43 mi3.11 mi10968+128477+548477+5410897(Top 38%)8340(Top 51%)8340(Top 346%)
HALF13.11 mi0.68 mi11007-398491-148491-1411640(Top 40%)8760(Top 54%)8760(Top 363%)
25K15.53 mi2.42 mi10911+968425+668425+6610691(Top 37%)8179(Top 50%)8179(Top 339%)
30K18.64 mi3.11 mi10826+858330+958330+9510694(Top 37%)8051(Top 49%)8051(Top 334%)
20M20.00 mi1.36 mi10781+458282+488282+4810442(Top 36%)7793(Top 48%)7793(Top 323%)
21M21.00 mi1.00 mi10736+458241+418241+4110320(Top 36%)7637(Top 47%)7637(Top 316%)
35K21.75 mi0.75 mi10735+18210+318210+3111213(Top 39%)8059(Top 49%)8059(Top 334%)
23M23.00 mi1.25 mi10659+768141+698141+6910362(Top 36%)7547(Top 46%)7547(Top 313%)
24M24.00 mi1.00 mi10622+378105+368105+3610583(Top 36%)7589(Top 46%)7589(Top 315%)
40K24.85 mi0.85 mi10566+568064+418064+419880(Top 34%)7152(Top 44%)7152(Top 296%)
25.2M25.20 mi0.35 mi10540+268041+238041+239060(Top 31%)6662(Top 41%)6662(Top 276%)
FINISH26.22 mi1.02 mi10501+397999+427999+4210577(Top 36%)7400(Top 45%)7400(Top 307%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21
+97ft-345ft

Overall

11156

Males

8554

M45-49

8554

5K→10K

3.1 - 6.2 mi

Top 39%
×5
+79ft-138ft

Overall

11255

Males

8634

M45-49

8634

10K→15K

6.2 - 9.3 mi

Top 38%
×3
+67ft-78ft

Overall

11156

Males

8554

M45-49

8554

15K→20K

9.3 - 12.4 mi

Top 38%
×5
+106ft-86ft

Overall

10897

Males

8340

M45-49

8340

20K→HALF

12.4 - 13.1 mi

Top 40%
×2
+19ft-37ft

Overall

11640

Males

8760

M45-49

8760

HALF→25K

13.1 - 15.5 mi

Top 37%
×4
+66ft-88ft

Overall

10691

Males

8179

M45-49

8179

25K→30K

15.5 - 18.6 mi

Top 37%
×9
+181ft-148ft

Overall

10694

Males

8051

M45-49

8051

30K→20M

18.6 - 20.0 mi

Top 36%
×5
+64ft-50ft

Overall

10442

Males

7793

M45-49

7793

20M→21M

20.0 - 21.0 mi

Top 36%
×8
+106ft-24ft

Overall

10320

Males

7637

M45-49

7637

21M→35K

21.0 - 21.8 mi

Top 39%
×7
+17ft-86ft

Overall

11213

Males

8059

M45-49

8059

35K→23M

21.8 - 23.0 mi

Top 36%
×5
+23ft-63ft

Overall

10362

Males

7547

M45-49

7547

23M→24M

23.0 - 24.0 mi

Top 36%
×6
+12ft-82ft

Overall

10583

Males

7589

M45-49

7589

24M→40K

24.0 - 24.9 mi

Top 34%
×1
+6ft-20ft

Overall

9880

Males

7152

M45-49

7152

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1
+13ft-16ft

Overall

9060

Males

6662

M45-49

6662

25.2M→FINISH

25.2 - 26.2 mi

Top 36%
×2
+22ft-21ft

Overall

10577

Males

7400

M45-49

7400

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1630
Passed By
1454
Net Change
+175
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10676
5K → 10K130395-266#10676#10942
10K → 15K154192-38#10942#10980
15K → 20K154142+12#10980#10968
20K → HALF2463-39#10968#11007
HALF → 25K196100+96#11007#10911
25K → 30K226141+85#10911#10826
30K → 20M11873+45#10826#10781
20M → 21M10762+45#10781#10736
21M → 35K6766+1#10736#10735
35K → 23M13660+76#10735#10659
23M → 24M9962+37#10659#10622
24M → 40K9337+56#10622#10566
40K → 25.2M3913+26#10566#10540
25.2M → FINISH8748+39#10540#10501
TOTALS16301454+175
📊

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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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing