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BOSTON MARATHON 2025

Ryan Caulfield

Bib: 31640•M

DE

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
9:38/mi
29:57
↑ 97↓ 3451.5%
10K· 6.21 mi
9:55/mi
1:00:47
↑ 79↓ 1380.4%
15K· 9.32 mi
10:01/mi
1:31:54
↑ 67↓ 78
20K· 12.43 mi
11:01/mi
2:06:07
↑ 106↓ 860.1%
Half· 13.11 mi
11:55/mi
2:14:15
↑ 19↓ 370.5%
25K· 15.53 mi
12:27/mi
2:44:25
↑ 66↓ 880.2%
30K· 18.64 mi
14:36/mi
3:29:48
↑ 181↓ 1480.2%
20M
15:26/mi
3:50:47
↑ 64↓ 500.2%
21M
16:53/mi
4:07:40
↑ 106↓ 241.6%
35K· 21.75 mi
12:06/mi
4:16:43
↑ 17↓ 861.7%
23M
14:42/mi
4:35:07
↑ 23↓ 630.6%
24M
12:54/mi
4:48:01
↓ 821.3%
40K· 24.85 mi
12:54/mi
4:59:03
↓ 200.3%
25.2M
11:45/mi
5:03:06
↑ 13↓ 160.2%
Finish· 26.22 mi
9:25/mi
5:12:42
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:14:15
Pace10:14 /mi
2nd Half
Distance13.11 mi
Time2:58:27
Pace13:37 /mi
📊Positive Split: 32.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:4829:579:3829:57
9:38
-
10K
6.21 mi12:24:381:00:479:4730:50
9:55
+0:17
15K
9.32 mi12:55:451:31:549:5231:07
10:01
+0:06
20K
12.43 mi13:29:582:06:0710:0934:13
11:01
+1:00
Half
13.11 mi13:38:062:14:1510:148:08
11:55
+0:54
25K
15.53 mi14:08:162:44:2510:3530:10
12:27
+0:32
30K
18.64 mi14:53:393:29:4811:1545:23
14:36
+2:09
20M
20.00 mi15:14:383:50:4711:3220:59
15:26
+0:50
21M
21.00 mi15:31:314:07:4011:4816:53
16:53
+1:27
35K
21.75 mi15:40:344:16:4311:489:03
12:06
-4:47
23M
23.00 mi15:58:584:35:0711:5818:24
14:42
+2:36
24M
24.00 mi16:11:524:48:0112:0012:54
12:54
-1:48
40K
24.85 mi16:22:544:59:0312:0211:02
12:54
0:00
25.2M
25.20 mi16:26:575:03:0612:024:03
11:45
-1:09
Finish
26.22 mi16:36:335:12:4211:569:36
9:25
-2:20

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

9:25 /mi

Average Pace

11:56 /mi

Slowest Pace

16:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:41:30

32% of race

Time at Steady Pace

1:49:33

35% of race

Time at Slower Pace

1:41:39

33% of race

Average Pace: 11:56 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:53:4829:579:3829:57
9:38
#24659
10K
6.21 mi12:24:381:00:479:4730:50
9:55
#24934
15K
9.32 mi12:55:451:31:549:5231:07
10:01
#24960
20K
12.43 mi13:29:582:06:0710:0934:13
11:01
#25336
Half
13.11 mi13:38:062:14:1510:148:08
11:55
#25492
25K
15.53 mi14:08:162:44:2510:3530:10
12:27
#25848
30K
18.64 mi14:53:393:29:4811:1545:23
14:36
#26469
20M
20.00 mi15:14:383:50:4711:3220:59
15:26
#26700
21M
21.00 mi15:31:314:07:4011:4816:53
16:53
#26862
35K
21.75 mi15:40:344:16:4311:489:03
12:06
#26834
23M
23.00 mi15:58:584:35:0711:5818:24
14:42
#26938
24M
24.00 mi16:11:524:48:0112:0012:54
12:54
#26935
40K
24.85 mi16:22:544:59:0312:0211:02
12:54
#26906
25.2M
25.20 mi16:26:575:03:0612:024:03
11:45
#26864
Finish
26.22 mi16:36:335:12:4211:569:36
9:25
#26751
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi24659145571455725020(Top 88%)14734(Top 91%)14734(Top 261%)
10K6.21 mi3.10 mi24934-27514678-12114678-12125153(Top 89%)14773(Top 92%)14773(Top 262%)
15K9.32 mi3.11 mi24960-2614698-2014698-2025020(Top 88%)14734(Top 91%)14734(Top 261%)
20K12.43 mi3.11 mi25336-37614846-14814846-14826021(Top 92%)15131(Top 94%)15131(Top 268%)
Half13.11 mi0.68 mi25492-15614923-7714923-7727401(Top 96%)15684(Top 97%)15684(Top 278%)
25K15.53 mi2.42 mi25848-35615069-14615069-14626878(Top 95%)15449(Top 96%)15449(Top 274%)
30K18.64 mi3.11 mi26469-62115317-24815317-24827861(Top 98%)15807(Top 98%)15807(Top 280%)
20M20.00 mi1.36 mi26700-23115398-8115398-8128033(Top 99%)15890(Top 99%)15890(Top 282%)
21M21.00 mi1.00 mi26862-16215463-6515463-6528117(Top 99%)15934(Top 99%)15934(Top 282%)
35K21.75 mi0.75 mi26834+2815442+2115442+2126004(Top 92%)14836(Top 92%)14836(Top 263%)
23M23.00 mi1.25 mi26938-10415486-4415486-4427767(Top 98%)15714(Top 98%)15714(Top 279%)
24M24.00 mi1.00 mi26935+315474+1215474+1226754(Top 94%)15178(Top 94%)15178(Top 269%)
40K24.85 mi0.85 mi26906+2915448+2615448+2626190(Top 92%)14889(Top 92%)14889(Top 264%)
25.2M25.20 mi0.35 mi26864+4215429+1915429+1922670(Top 80%)13125(Top 81%)13125(Top 233%)
Finish26.22 mi1.02 mi26751+11315372+5715372+5720894(Top 74%)12243(Top 76%)12243(Top 217%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21story building
+97ft-345ft

Overall

25020

Males

14734

M18-39

14734

5K→10K

3.1 - 6.2 mi

Top 89%
×5story building
+79ft-138ft

Overall

25153

Males

14773

M18-39

14773

10K→15K

6.2 - 9.3 mi

Top 88%
×3story building
+67ft-78ft

Overall

25020

Males

14734

M18-39

14734

15K→20K

9.3 - 12.4 mi

Top 92%
×5story building
+106ft-86ft

Overall

26021

Males

15131

M18-39

15131

20K→Half

12.4 - 13.1 mi

Top 96%
×2story building
+19ft-37ft

Overall

27401

Males

15684

M18-39

15684

Half→25K

13.1 - 15.5 mi

Top 95%
×4story building
+66ft-88ft

Overall

26878

Males

15449

M18-39

15449

25K→30K

15.5 - 18.6 mi

Top 98%
×9story building
+181ft-148ft

Overall

27861

Males

15807

M18-39

15807

30K→20M

18.6 - 20.0 mi

Top 99%
×5story building
+64ft-50ft

Overall

28033

Males

15890

M18-39

15890

20M→21M

20.0 - 21.0 mi

Top 99%
×8story building
+106ft-24ft

Overall

28117

Males

15934

M18-39

15934

21M→35K

21.0 - 21.8 mi

Top 92%
×7story building
+17ft-86ft

Overall

26004

Males

14836

M18-39

14836

35K→23M

21.8 - 23.0 mi

Top 98%
×5story building
+23ft-63ft

Overall

27767

Males

15714

M18-39

15714

23M→24M

23.0 - 24.0 mi

Top 94%
×6story building
+12ft-82ft

Overall

26754

Males

15178

M18-39

15178

24M→40K

24.0 - 24.9 mi

Top 92%
×1story
+6ft-20ft

Overall

26190

Males

14889

M18-39

14889

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1story
+13ft-16ft

Overall

22670

Males

13125

M18-39

13125

25.2M→Finish

25.2 - 26.2 mi

Top 74%
×2story building
+22ft-21ft

Overall

20894

Males

12243

M18-39

12243

Passing Analysis

Category:
Athletes Passed
588
Passed By
2680
Net Change
-2092
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24659
5K → 10K103378-275#24659#24934
10K → 15K117143-26#24934#24960
15K → 20K41417-376#24960#25336
20K → Half7163-156#25336#25492
Half → 25K26382-356#25492#25848
25K → 30K13634-621#25848#26469
30K → 20M8239-231#26469#26700
20M → 21M2164-162#26700#26862
21M → 35K4113+28#26862#26834
35K → 23M8112-104#26834#26938
23M → 24M2623+3#26938#26935
24M → 40K4112+29#26935#26906
40K → 25.2M420+42#26906#26864
25.2M → Finish1130+113#26864#26751
TOTALS5882680-2092
📊

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