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BOSTON MARATHON 2025

James Augaitis Masson

Bib: 28867•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
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
11:22/mi
35:19
↑ 97↓ 3451.5%
10K· 6.21 mi
11:54/mi
1:12:16
↑ 79↓ 1380.4%
15K· 9.32 mi
12:27/mi
1:50:58
↑ 67↓ 78
20K· 12.43 mi
12:31/mi
2:29:51
↑ 106↓ 860.1%
Half· 13.11 mi
11:51/mi
2:37:56
↑ 19↓ 370.5%
25K· 15.53 mi
12:45/mi
3:08:52
↑ 66↓ 880.2%
30K· 18.64 mi
13:25/mi
3:50:32
↑ 181↓ 1480.2%
20M
14:02/mi
4:09:36
↑ 64↓ 500.2%
21M
15:00/mi
4:24:36
↑ 106↓ 241.6%
35K· 21.75 mi
12:18/mi
4:33:48
↑ 17↓ 861.7%
23M
12:41/mi
4:49:41
↑ 23↓ 630.6%
24M
11:44/mi
5:01:25
↓ 821.3%
40K· 24.85 mi
13:21/mi
5:12:50
↓ 200.3%
25.2M
14:36/mi
5:17:52
↑ 13↓ 160.2%
Finish· 26.22 mi
11:54/mi
5:30:00
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:37:56
Pace12:03 /mi
2nd Half
Distance13.11 mi
Time2:52:04
Pace13:08 /mi
📊Positive Split: 8.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:3735:1911:2235:19
11:22
-
10K
6.21 mi12:30:341:12:1611:3836:57
11:54
+0:32
15K
9.32 mi13:09:161:50:5811:5438:42
12:27
+0:33
20K
12.43 mi13:48:092:29:5112:0338:53
12:31
+0:04
Half
13.11 mi13:56:142:37:5612:038:05
11:51
-0:40
25K
15.53 mi14:27:103:08:5212:0930:56
12:45
+0:54
30K
18.64 mi15:08:503:50:3212:2241:40
13:25
+0:40
20M
20.00 mi15:27:544:09:3612:2919:04
14:02
+0:37
21M
21.00 mi15:42:544:24:3612:3615:00
15:00
+0:58
35K
21.75 mi15:52:064:33:4812:359:12
12:18
-2:42
23M
23.00 mi16:07:594:49:4112:3615:53
12:41
+0:23
24M
24.00 mi16:19:435:01:2512:3411:44
11:44
-0:57
40K
24.85 mi16:31:085:12:5012:3511:25
13:21
+1:37
25.2M
25.20 mi16:36:105:17:5212:375:02
14:36
+1:15
Finish
26.22 mi16:48:185:30:0012:3612:08
11:54
-2:42

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

11:22 /mi

Average Pace

12:36 /mi

Slowest Pace

15:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:13

32% of race

Time at Steady Pace

2:13:36

40% of race

Time at Slower Pace

1:32:11

28% of race

Average Pace: 12:35 /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 mi11:53:3735:1911:2235:19
11:22
#27914
10K
6.21 mi12:30:341:12:1611:3836:57
11:54
#27907
15K
9.32 mi13:09:161:50:5811:5438:42
12:27
#27954
20K
12.43 mi13:48:092:29:5112:0338:53
12:31
#27866
Half
13.11 mi13:56:142:37:5612:038:05
11:51
#27837
25K
15.53 mi14:27:103:08:5212:0930:56
12:45
#27718
30K
18.64 mi15:08:503:50:3212:2241:40
13:25
#27617
20M
20.00 mi15:27:544:09:3612:2919:04
14:02
#27598
21M
21.00 mi15:42:544:24:3612:3615:00
15:00
#27589
35K
21.75 mi15:52:064:33:4812:359:12
12:18
#27562
23M
23.00 mi16:07:594:49:4112:3615:53
12:41
#27514
24M
24.00 mi16:19:435:01:2512:3411:44
11:44
#27457
40K
24.85 mi16:31:085:12:5012:3511:25
13:21
#27443
25.2M
25.20 mi16:36:105:17:5212:375:02
14:36
#27443
Finish
26.22 mi16:48:185:30:0012:3612:08
11:54
#27428
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi27914159391593927905(Top 98%)15918(Top 99%)15918(Top 282%)
10K6.21 mi3.10 mi27907+7159391593927881(Top 98%)15917(Top 99%)15917(Top 282%)
15K9.32 mi3.11 mi27954-4715943-415943-427905(Top 98%)15918(Top 99%)15918(Top 282%)
20K12.43 mi3.11 mi27866+8815907+3615907+3627530(Top 97%)15746(Top 98%)15746(Top 279%)
Half13.11 mi0.68 mi27837+2915893+1415893+1427344(Top 96%)15664(Top 97%)15664(Top 278%)
25K15.53 mi2.42 mi27718+11915836+5715836+5727128(Top 96%)15558(Top 97%)15558(Top 276%)
30K18.64 mi3.11 mi27617+10115783+5315783+5327075(Top 95%)15466(Top 96%)15466(Top 274%)
20M20.00 mi1.36 mi27598+1915766+1715766+1727317(Top 96%)15529(Top 96%)15529(Top 275%)
21M21.00 mi1.00 mi27589+915751+1515751+1527151(Top 96%)15439(Top 96%)15439(Top 274%)
35K21.75 mi0.75 mi27562+2715738+1315738+1326250(Top 92%)14968(Top 93%)14968(Top 265%)
23M23.00 mi1.25 mi27514+4815717+2115717+2126030(Top 92%)14858(Top 92%)14858(Top 263%)
24M24.00 mi1.00 mi27457+5715688+2915688+2925306(Top 89%)14467(Top 90%)14467(Top 256%)
40K24.85 mi0.85 mi27443+1415681+715681+726639(Top 94%)15107(Top 94%)15107(Top 268%)
25.2M25.20 mi0.35 mi2744315678+315678+326834(Top 94%)15185(Top 94%)15185(Top 269%)
Finish26.22 mi1.02 mi27428+1515669+915669+926693(Top 94%)15156(Top 94%)15156(Top 269%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 98%
×21story building
+97ft-345ft

Overall

27905

Males

15918

M18-39

15918

5K→10K

3.1 - 6.2 mi

Top 98%
×5story building
+79ft-138ft

Overall

27881

Males

15917

M18-39

15917

10K→15K

6.2 - 9.3 mi

Top 98%
×3story building
+67ft-78ft

Overall

27905

Males

15918

M18-39

15918

15K→20K

9.3 - 12.4 mi

Top 97%
×5story building
+106ft-86ft

Overall

27530

Males

15746

M18-39

15746

20K→Half

12.4 - 13.1 mi

Top 96%
×2story building
+19ft-37ft

Overall

27344

Males

15664

M18-39

15664

Half→25K

13.1 - 15.5 mi

Top 96%
×4story building
+66ft-88ft

Overall

27128

Males

15558

M18-39

15558

25K→30K

15.5 - 18.6 mi

Top 95%
×9story building
+181ft-148ft

Overall

27075

Males

15466

M18-39

15466

30K→20M

18.6 - 20.0 mi

Top 96%
×5story building
+64ft-50ft

Overall

27317

Males

15529

M18-39

15529

20M→21M

20.0 - 21.0 mi

Top 96%
×8story building
+106ft-24ft

Overall

27151

Males

15439

M18-39

15439

21M→35K

21.0 - 21.8 mi

Top 92%
×7story building
+17ft-86ft

Overall

26250

Males

14968

M18-39

14968

35K→23M

21.8 - 23.0 mi

Top 92%
×5story building
+23ft-63ft

Overall

26030

Males

14858

M18-39

14858

23M→24M

23.0 - 24.0 mi

Top 89%
×6story building
+12ft-82ft

Overall

25306

Males

14467

M18-39

14467

24M→40K

24.0 - 24.9 mi

Top 94%
×1story
+6ft-20ft

Overall

26639

Males

15107

M18-39

15107

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1story
+13ft-16ft

Overall

26834

Males

15185

M18-39

15185

25.2M→Finish

25.2 - 26.2 mi

Top 94%
×2story building
+22ft-21ft

Overall

26693

Males

15156

M18-39

15156

Passing Analysis

Category:
Athletes Passed
773
Passed By
287
Net Change
+486
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27914
5K → 10K8982+7#27914#27907
10K → 15K3683-47#27907#27954
15K → 20K10113+88#27954#27866
20K → Half345+29#27866#27837
Half → 25K1278+119#27837#27718
25K → 30K11716+101#27718#27617
30K → 20M4223+19#27617#27598
20M → 21M2617+9#27598#27589
21M → 35K303+27#27589#27562
35K → 23M557+48#27562#27514
23M → 24M581+57#27514#27457
24M → 40K2713+14#27457#27443
40K → 25.2M880#27443#27443
25.2M → Finish238+15#27443#27428
TOTALS773287+486
📊

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