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BOSTON MARATHON 2025

Timothy Britt

Bib: 26737•M

MA

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
8:16/mi
25:40
↑ 97↓ 3451.5%
10K· 6.21 mi
8:04/mi
50:43
↑ 79↓ 1380.4%
15K· 9.32 mi
8:01/mi
1:15:37
↑ 67↓ 78
20K· 12.43 mi
8:57/mi
1:43:26
↑ 106↓ 860.1%
Half· 13.11 mi
8:49/mi
1:49:27
↑ 19↓ 370.5%
25K· 15.53 mi
10:38/mi
2:15:15
↑ 66↓ 880.2%
30K· 18.64 mi
10:57/mi
2:49:16
↑ 181↓ 1480.2%
20M
12:48/mi
3:06:40
↑ 64↓ 500.2%
21M
14:46/mi
3:21:26
↑ 106↓ 241.6%
35K· 21.75 mi
11:02/mi
3:29:41
↑ 17↓ 861.7%
23M
12:04/mi
3:44:48
↑ 23↓ 630.6%
24M
11:43/mi
3:56:31
↓ 821.3%
40K· 24.85 mi
11:58/mi
4:06:45
↓ 200.3%
25.2M
13:52/mi
4:11:32
↑ 13↓ 160.2%
Finish· 26.22 mi
10:12/mi
4:21:56
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:27
Pace8:21 /mi
2nd Half
Distance13.11 mi
Time2:32:29
Pace11:38 /mi
📊Positive Split: 39.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:2225:408:1625:40
8:16
-
10K
6.21 mi12:13:2550:438:1025:03
8:04
-0:12
15K
9.32 mi12:38:191:15:378:0724:54
8:01
-0:03
20K
12.43 mi13:06:081:43:268:1927:49
8:57
+0:56
Half
13.11 mi13:12:091:49:278:216:01
8:49
-0:08
25K
15.53 mi13:37:572:15:158:4225:48
10:38
+1:49
30K
18.64 mi14:11:582:49:169:0534:01
10:57
+0:19
20M
20.00 mi14:29:223:06:409:2017:24
12:48
+1:51
21M
21.00 mi14:44:083:21:269:3614:46
14:46
+1:58
35K
21.75 mi14:52:233:29:419:388:15
11:02
-3:44
23M
23.00 mi15:07:303:44:489:4615:07
12:04
+1:02
24M
24.00 mi15:19:133:56:319:5111:43
11:43
-0:21
40K
24.85 mi15:29:274:06:459:5610:14
11:58
+0:15
25.2M
25.20 mi15:34:144:11:329:594:47
13:52
+1:54
Finish
26.22 mi15:44:384:21:5610:0010:24
10:12
-3:40

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

8:01 /mi

Average Pace

10:00 /mi

Slowest Pace

14:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:27

42% of race

Time at Steady Pace

1:40:25

38% of race

Time at Slower Pace

52:04

20% of race

Average Pace: 9:59 /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 mi11:48:2225:408:1625:40
8:16
#18484
10K
6.21 mi12:13:2550:438:1025:03
8:04
#17705
15K
9.32 mi12:38:191:15:378:0724:54
8:01
#17175
20K
12.43 mi13:06:081:43:268:1927:49
8:57
#18147
Half
13.11 mi13:12:091:49:278:216:01
8:49
#18298
25K
15.53 mi13:37:572:15:158:4225:48
10:38
#20098
30K
18.64 mi14:11:582:49:169:0534:01
10:57
#21244
20M
20.00 mi14:29:223:06:409:2017:24
12:48
#22013
21M
21.00 mi14:44:083:21:269:3614:46
14:46
#22539
35K
21.75 mi14:52:233:29:419:388:15
11:02
#22598
23M
23.00 mi15:07:303:44:489:4615:07
12:04
#22820
24M
24.00 mi15:19:133:56:319:5111:43
11:43
#22964
40K
24.85 mi15:29:274:06:459:5610:14
11:58
#23072
25.2M
25.20 mi15:34:144:11:329:594:47
13:52
#23140
Finish
26.22 mi15:44:384:21:5610:0010:24
10:12
#23153
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi18484118091180916151(Top 57%)10878(Top 68%)10878(Top 193%)
10K6.21 mi3.10 mi17705+77911507+30211507+30216932(Top 60%)11222(Top 70%)11222(Top 199%)
15K9.32 mi3.11 mi17175+53011312+19511312+19516151(Top 57%)10878(Top 68%)10878(Top 193%)
20K12.43 mi3.11 mi18147-97211676-36411676-36420731(Top 73%)12770(Top 79%)12770(Top 226%)
Half13.11 mi0.68 mi18298-15111731-5511731-5520987(Top 74%)12900(Top 80%)12900(Top 229%)
25K15.53 mi2.42 mi20098-180012501-77012501-77024614(Top 87%)14468(Top 90%)14468(Top 256%)
30K18.64 mi3.11 mi21244-114612973-47212973-47223916(Top 84%)14028(Top 87%)14028(Top 249%)
20M20.00 mi1.36 mi22013-76913307-33413307-33426251(Top 92%)15045(Top 93%)15045(Top 267%)
21M21.00 mi1.00 mi22539-52613512-20513512-20526956(Top 95%)15342(Top 95%)15342(Top 272%)
35K21.75 mi0.75 mi22598-5913520-813520-824242(Top 85%)13992(Top 87%)13992(Top 248%)
23M23.00 mi1.25 mi22820-22213592-7213592-7225225(Top 89%)14439(Top 90%)14439(Top 256%)
24M24.00 mi1.00 mi22964-14413634-4213634-4225268(Top 89%)14442(Top 90%)14442(Top 256%)
40K24.85 mi0.85 mi23072-10813666-3213666-3224877(Top 88%)14193(Top 88%)14193(Top 252%)
25.2M25.20 mi0.35 mi23140-6813691-2513691-2526132(Top 92%)14814(Top 92%)14814(Top 263%)
Finish26.22 mi1.02 mi23153-1313683+813683+823535(Top 83%)13533(Top 84%)13533(Top 240%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21story building
+97ft-345ft

Overall

16151

Males

10878

M18-39

10878

5K→10K

3.1 - 6.2 mi

Top 60%
×5story building
+79ft-138ft

Overall

16932

Males

11222

M18-39

11222

10K→15K

6.2 - 9.3 mi

Top 57%
×3story building
+67ft-78ft

Overall

16151

Males

10878

M18-39

10878

15K→20K

9.3 - 12.4 mi

Top 73%
×5story building
+106ft-86ft

Overall

20731

Males

12770

M18-39

12770

20K→Half

12.4 - 13.1 mi

Top 74%
×2story building
+19ft-37ft

Overall

20987

Males

12900

M18-39

12900

Half→25K

13.1 - 15.5 mi

Top 87%
×4story building
+66ft-88ft

Overall

24614

Males

14468

M18-39

14468

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

23916

Males

14028

M18-39

14028

30K→20M

18.6 - 20.0 mi

Top 92%
×5story building
+64ft-50ft

Overall

26251

Males

15045

M18-39

15045

20M→21M

20.0 - 21.0 mi

Top 95%
×8story building
+106ft-24ft

Overall

26956

Males

15342

M18-39

15342

21M→35K

21.0 - 21.8 mi

Top 85%
×7story building
+17ft-86ft

Overall

24242

Males

13992

M18-39

13992

35K→23M

21.8 - 23.0 mi

Top 89%
×5story building
+23ft-63ft

Overall

25225

Males

14439

M18-39

14439

23M→24M

23.0 - 24.0 mi

Top 89%
×6story building
+12ft-82ft

Overall

25268

Males

14442

M18-39

14442

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

24877

Males

14193

M18-39

14193

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1story
+13ft-16ft

Overall

26132

Males

14814

M18-39

14814

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2story building
+22ft-21ft

Overall

23535

Males

13533

M18-39

13533

Passing Analysis

Category:
Athletes Passed
1659
Passed By
6328
Net Change
-4669
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18484
5K → 10K83657+779#18484#17705
10K → 15K56232+530#17705#17175
15K → 20K361008-972#17175#18147
20K → Half12163-151#18147#18298
Half → 25K91809-1800#18298#20098
25K → 30K391185-1146#20098#21244
30K → 20M8777-769#21244#22013
20M → 21M11537-526#22013#22539
21M → 35K3190-59#22539#22598
35K → 23M27249-222#22598#22820
23M → 24M24168-144#22820#22964
24M → 40K27135-108#22964#23072
40K → 25.2M270-68#23072#23140
25.2M → Finish3548-13#23140#23153
TOTALS16596328-4669
📊

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