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BOSTON MARATHON 2025

James Waterman

Bib: 4678•M

IL

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 25%
Gender (Male)
#0 / 16105
Top 38%
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:24/mi
19:54
↑ 97↓ 3451.5%
10K· 6.21 mi
6:11/mi
39:08
↑ 79↓ 1380.4%
15K· 9.32 mi
6:10/mi
58:18
↑ 67↓ 78
20K· 12.43 mi
6:38/mi
1:18:56
↑ 106↓ 860.1%
Half· 13.11 mi
6:03/mi
1:23:04
↑ 19↓ 370.5%
25K· 15.53 mi
6:20/mi
1:38:25
↑ 66↓ 880.2%
30K· 18.64 mi
6:38/mi
1:59:03
↑ 181↓ 1480.2%
20M
7:02/mi
2:08:37
↑ 64↓ 500.2%
21M
7:44/mi
2:16:21
↑ 106↓ 241.6%
35K· 21.75 mi
7:26/mi
2:21:55
↑ 17↓ 861.7%
23M
9:15/mi
2:33:30
↑ 23↓ 630.6%
24M
13:26/mi
2:46:56
↓ 821.3%
40K· 24.85 mi
14:50/mi
2:59:37
↓ 200.3%
25.2M
10:38/mi
3:03:17
↑ 13↓ 160.2%
Finish· 26.22 mi
6:39/mi
3:10:04
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:04
Pace6:20 /mi
2nd Half
Distance13.11 mi
Time1:47:00
Pace8:10 /mi
📊Positive Split: 28.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:45:4619:546:2419:54
6:24
-
10K
6.21 mi11:05:0039:086:1819:14
6:11
-0:13
15K
9.32 mi11:24:1058:186:1519:10
6:10
-0:01
20K
12.43 mi11:44:481:18:566:2120:38
6:38
+0:28
Half
13.11 mi11:48:561:23:046:204:08
6:03
-0:35
25K
15.53 mi12:04:171:38:256:2015:21
6:20
+0:17
30K
18.64 mi12:24:551:59:036:2320:38
6:38
+0:18
20M
20.00 mi12:34:292:08:376:269:34
7:02
+0:24
21M
21.00 mi12:42:132:16:216:307:44
7:44
+0:42
35K
21.75 mi12:47:472:21:556:325:34
7:26
-0:18
23M
23.00 mi12:59:222:33:306:4011:35
9:15
+1:49
24M
24.00 mi13:12:482:46:566:5713:26
13:26
+4:11
40K
24.85 mi13:25:292:59:377:1412:41
14:50
+1:24
25.2M
25.20 mi13:29:093:03:177:163:40
10:38
-4:12
Finish
26.22 mi13:35:563:10:047:156:47
6:39
-3:59

Checkpoints & Pacing

📈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

6:03 /mi

Average Pace

7:15 /mi

Slowest Pace

14:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:28:42

78% of race

Time at Slower Pace

41:22

22% of race

Average Pace: 7:15 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:45:4619:546:2419:54
6:24
#3158
10K
6.21 mi11:05:0039:086:1819:14
6:11
#2399
15K
9.32 mi11:24:1058:186:1519:10
6:10
#2130
20K
12.43 mi11:44:481:18:566:2120:38
6:38
#2559
Half
13.11 mi11:48:561:23:046:204:08
6:03
#2477
25K
15.53 mi12:04:171:38:256:2015:21
6:20
#2373
30K
18.64 mi12:24:551:59:036:2320:38
6:38
#2368
20M
20.00 mi12:34:292:08:376:269:34
7:02
#2469
21M
21.00 mi12:42:132:16:216:307:44
7:44
#2631
35K
21.75 mi12:47:472:21:556:325:34
7:26
#2787
23M
23.00 mi12:59:222:33:306:4011:35
9:15
#3506
24M
24.00 mi13:12:482:46:566:5713:26
13:26
#5443
40K
24.85 mi13:25:292:59:377:1412:41
14:50
#7057
25.2M
25.20 mi13:29:093:03:177:163:40
10:38
#7268
Finish
26.22 mi13:35:563:10:047:156:47
6:39
#7079
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3158300130011698(Top 6%)1612(Top 10%)1612(Top 29%)
10K6.21 mi3.10 mi2399+7592287+7142287+7141867(Top 7%)1774(Top 11%)1774(Top 31%)
15K9.32 mi3.11 mi2130+2692033+2542033+2541698(Top 6%)1612(Top 10%)1612(Top 29%)
20K12.43 mi3.11 mi2559-4292441-4082441-4083955(Top 14%)3722(Top 23%)3722(Top 66%)
Half13.11 mi0.68 mi2477+822364+772364+771402(Top 5%)1334(Top 8%)1334(Top 24%)
25K15.53 mi2.42 mi2373+1042264+1002264+1002027(Top 7%)1931(Top 12%)1931(Top 34%)
30K18.64 mi3.11 mi2368+52258+62258+62600(Top 9%)2461(Top 15%)2461(Top 44%)
20M20.00 mi1.36 mi2469-1012355-972355-974339(Top 15%)3954(Top 25%)3954(Top 70%)
21M21.00 mi1.00 mi2631-1622506-1512506-1515817(Top 20%)4936(Top 31%)4936(Top 87%)
35K21.75 mi0.75 mi2787-1562650-1442650-1448152(Top 29%)6375(Top 40%)6375(Top 113%)
23M23.00 mi1.25 mi3506-7193296-6463296-64617539(Top 62%)10738(Top 67%)10738(Top 190%)
24M24.00 mi1.00 mi5443-19374941-16454941-164527263(Top 96%)15406(Top 96%)15406(Top 273%)
40K24.85 mi0.85 mi7057-16146070-11296070-112927696(Top 98%)15659(Top 97%)15659(Top 278%)
25.2M25.20 mi0.35 mi7268-2116200-1306200-13019393(Top 68%)11467(Top 71%)11467(Top 203%)
Finish26.22 mi1.02 mi7079+1896047+1536047+1533643(Top 13%)3169(Top 20%)3169(Top 56%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21story building
+97ft-345ft

Overall

1698

Males

1612

M18-39

1612

5K→10K

3.1 - 6.2 mi

Top 7%
×5story building
+79ft-138ft

Overall

1867

Males

1774

M18-39

1774

10K→15K

6.2 - 9.3 mi

Top 6%
×3story building
+67ft-78ft

Overall

1698

Males

1612

M18-39

1612

15K→20K

9.3 - 12.4 mi

Top 14%
×5story building
+106ft-86ft

Overall

3955

Males

3722

M18-39

3722

20K→Half

12.4 - 13.1 mi

Top 5%
×2story building
+19ft-37ft

Overall

1402

Males

1334

M18-39

1334

Half→25K

13.1 - 15.5 mi

Top 7%
×4story building
+66ft-88ft

Overall

2027

Males

1931

M18-39

1931

25K→30K

15.5 - 18.6 mi

Top 9%
×9story building
+181ft-148ft

Overall

2600

Males

2461

M18-39

2461

30K→20M

18.6 - 20.0 mi

Top 15%
×5story building
+64ft-50ft

Overall

4339

Males

3954

M18-39

3954

20M→21M

20.0 - 21.0 mi

Top 20%
×8story building
+106ft-24ft

Overall

5817

Males

4936

M18-39

4936

21M→35K

21.0 - 21.8 mi

Top 29%
×7story building
+17ft-86ft

Overall

8152

Males

6375

M18-39

6375

35K→23M

21.8 - 23.0 mi

Top 62%
×5story building
+23ft-63ft

Overall

17539

Males

10738

M18-39

10738

23M→24M

23.0 - 24.0 mi

Top 96%
×6story building
+12ft-82ft

Overall

27263

Males

15406

M18-39

15406

24M→40K

24.0 - 24.9 mi

Top 98%
×1story
+6ft-20ft

Overall

27696

Males

15659

M18-39

15659

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

19393

Males

11467

M18-39

11467

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2story building
+22ft-21ft

Overall

3643

Males

3169

M18-39

3169

Passing Analysis

Category:
Athletes Passed
1583
Passed By
5504
Net Change
-3921
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3158
5K → 10K7623+759#3158#2399
10K → 15K2745+269#2399#2130
15K → 20K13442-429#2130#2559
20K → Half820+82#2559#2477
Half → 25K11713+104#2477#2373
25K → 30K9388+5#2373#2368
30K → 20M19120-101#2368#2469
20M → 21M17179-162#2469#2631
21M → 35K6162-156#2631#2787
35K → 23M5724-719#2787#3506
23M → 24M01937-1937#3506#5443
24M → 40K11615-1614#5443#7057
40K → 25.2M2213-211#7057#7268
25.2M → Finish1923+189#7268#7079
TOTALS15835504-3921
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing