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BOSTON MARATHON 2025

Ian Mcaulay

Bib: 3463•M

TX

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 11%
Gender (Male)
#0 / 16105
Top 19%
Division (M18-39)
#0 / 5642
Top 41%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:23
Rank: #4268
Start → 5K
20:23 | 6:34/mi
10K· 6.21 mi
40:43
Rank: #4151 (+117)
5K → 10K
20:20 | 6:33/mi
15K· 9.32 mi
1:00:40
Rank: #3753 (+398)
10K → 15K
19:57 | 6:25/mi
20K· 12.43 mi
1:21:02
Rank: #3656 (+97)
15K → 20K
20:22 | 6:33/mi
Half· 13.11 mi
1:25:21
Rank: #3597 (+59)
20K → Half
4:19 | 6:20/mi
25K· 15.53 mi
1:41:22
Rank: #3547 (+50)
Half → 25K
16:01 | 6:36/mi
30K· 18.64 mi
2:02:45
Rank: #3572 (-25)
25K → 30K
21:23 | 6:53/mi
20M
2:12:07
Rank: #3529 (+43)
30K → 20M
9:22 | 6:54/mi
21M
2:19:20
Rank: #3469 (+60)
20M → 21M
7:13 | 7:13/mi
35K· 21.75 mi
2:24:22
Rank: #3435 (+34)
21M → 35K
5:02 | 6:44/mi
23M
2:33:01
Rank: #3363 (+72)
35K → 23M
8:39 | 6:55/mi
24M
2:39:43
Rank: #3308 (+55)
23M → 24M
6:42 | 6:42/mi
40K· 24.85 mi
2:45:41
Rank: #3291 (+17)
24M → 40K
5:58 | 6:59/mi
25.2M
2:48:20
Rank: #3291
40K → 25.2M
2:39 | 7:41/mi
Finish· 26.22 mi
2:54:51
Rank: #3204 (+87)
25.2M → Finish
6:31 | 6:24/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:21
Pace6:31 /mi
2nd Half
Distance13.11 mi
Time1:29:30
Pace6:50 /mi
📊Positive Split: 4.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:3020:236:3420:23
6:34
-
10K
6.21 mi10:42:5040:436:3320:20
6:33
-0:01
15K
9.32 mi11:02:471:00:406:3119:57
6:25
-0:08
20K
12.43 mi11:23:091:21:026:3120:22
6:33
+0:08
Half
13.11 mi11:27:281:25:216:314:19
6:20
-0:13
25K
15.53 mi11:43:291:41:226:3216:01
6:36
+0:16
30K
18.64 mi12:04:522:02:456:3521:23
6:53
+0:17
20M
20.00 mi12:14:142:12:076:369:22
6:54
+0:01
21M
21.00 mi12:21:272:19:206:387:13
7:13
+0:19
35K
21.75 mi12:26:292:24:226:385:02
6:44
-0:29
23M
23.00 mi12:35:082:33:016:398:39
6:55
+0:11
24M
24.00 mi12:41:502:39:436:396:42
6:42
-0:13
40K
24.85 mi12:47:482:45:416:405:58
6:59
+0:17
25.2M
25.20 mi12:50:272:48:206:412:39
7:41
+0:42
Finish
26.22 mi12:56:582:54:516:406:31
6:24
-1:17

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

6:20 /mi

Average Pace

6:40 /mi

Slowest Pace

7:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

30:47

18% of race

Time at Steady Pace

1:28:50

51% of race

Time at Slower Pace

55:14

32% of race

Average Pace: 6:40 /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 mi10:22:3020:236:3420:23
6:34
#4268
10K
6.21 mi10:42:5040:436:3320:20
6:33
#4151
15K
9.32 mi11:02:471:00:406:3119:57
6:25
#3753
20K
12.43 mi11:23:091:21:026:3120:22
6:33
#3656
Half
13.11 mi11:27:281:25:216:314:19
6:20
#3597
25K
15.53 mi11:43:291:41:226:3216:01
6:36
#3547
30K
18.64 mi12:04:522:02:456:3521:23
6:53
#3572
20M
20.00 mi12:14:142:12:076:369:22
6:54
#3529
21M
21.00 mi12:21:272:19:206:387:13
7:13
#3469
35K
21.75 mi12:26:292:24:226:385:02
6:44
#3435
23M
23.00 mi12:35:082:33:016:398:39
6:55
#3363
24M
24.00 mi12:41:502:39:436:396:42
6:42
#3308
40K
24.85 mi12:47:482:45:416:405:58
6:59
#3291
25.2M
25.20 mi12:50:272:48:206:412:39
7:41
#3291
Finish
26.22 mi12:56:582:54:516:406:31
6:24
#3204
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4268401240123066(Top 11%)2919(Top 18%)2919(Top 52%)
10K6.21 mi3.10 mi4151+1173912+1003912+1004030(Top 14%)3791(Top 24%)3791(Top 67%)
15K9.32 mi3.11 mi3753+3983547+3653547+3653066(Top 11%)2919(Top 18%)2919(Top 52%)
20K12.43 mi3.11 mi3656+973459+883459+883440(Top 12%)3258(Top 20%)3258(Top 58%)
Half13.11 mi0.68 mi3597+593406+533406+532649(Top 9%)2532(Top 16%)2532(Top 45%)
25K15.53 mi2.42 mi3547+503356+503356+503489(Top 12%)3289(Top 20%)3289(Top 58%)
30K18.64 mi3.11 mi3572-253376-203376-203947(Top 14%)3635(Top 23%)3635(Top 64%)
20M20.00 mi1.36 mi3529+433332+443332+443448(Top 12%)3184(Top 20%)3184(Top 56%)
21M21.00 mi1.00 mi3469+603277+553277+553195(Top 11%)2943(Top 18%)2943(Top 52%)
35K21.75 mi0.75 mi3435+343244+333244+333642(Top 13%)3289(Top 20%)3289(Top 58%)
23M23.00 mi1.25 mi3363+723172+723172+723237(Top 11%)2948(Top 18%)2948(Top 52%)
24M24.00 mi1.00 mi3308+553114+583114+582964(Top 10%)2688(Top 17%)2688(Top 48%)
40K24.85 mi0.85 mi3291+173097+173097+173732(Top 13%)3277(Top 20%)3277(Top 58%)
25.2M25.20 mi0.35 mi32913094+33094+34186(Top 15%)3542(Top 22%)3542(Top 63%)
Finish26.22 mi1.02 mi3204+873011+833011+832284(Top 8%)2087(Top 13%)2087(Top 37%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21stories
+97ft-345ft

Overall

3066

Males

2919

M18-39

2919

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

4030

Males

3791

M18-39

3791

10K→15K

6.2 - 9.3 mi

Top 11%
×3stories
+67ft-78ft

Overall

3066

Males

2919

M18-39

2919

15K→20K

9.3 - 12.4 mi

Top 12%
×5stories
+106ft-86ft

Overall

3440

Males

3258

M18-39

3258

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2649

Males

2532

M18-39

2532

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

3489

Males

3289

M18-39

3289

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3947

Males

3635

M18-39

3635

30K→20M

18.6 - 20.0 mi

Top 12%
×5stories
+64ft-50ft

Overall

3448

Males

3184

M18-39

3184

20M→21M

20.0 - 21.0 mi

Top 11%
×8stories
+106ft-24ft

Overall

3195

Males

2943

M18-39

2943

21M→35K

21.0 - 21.8 mi

Top 13%
×7stories
+17ft-86ft

Overall

3642

Males

3289

M18-39

3289

35K→23M

21.8 - 23.0 mi

Top 11%
×5stories
+23ft-63ft

Overall

3237

Males

2948

M18-39

2948

23M→24M

23.0 - 24.0 mi

Top 10%
×6stories
+12ft-82ft

Overall

2964

Males

2688

M18-39

2688

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3732

Males

3277

M18-39

3277

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

4186

Males

3542

M18-39

3542

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2284

Males

2087

M18-39

2087

Passing Analysis

Category:
Athletes Passed
1556
Passed By
492
Net Change
+1064
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4268
5K → 10K20790+117#4268#4151
10K → 15K4035+398#4151#3753
15K → 20K13841+97#3753#3656
20K → Half612+59#3656#3597
Half → 25K10252+50#3597#3547
25K → 30K97122-25#3547#3572
30K → 20M7835+43#3572#3529
20M → 21M8121+60#3529#3469
21M → 35K5218+34#3469#3435
35K → 23M9523+72#3435#3363
23M → 24M7419+55#3363#3308
24M → 40K4831+17#3308#3291
40K → 25.2M19190#3291#3291
25.2M → Finish10114+87#3291#3204
TOTALS1556492+1064
📊

Passing Visuals

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing