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BOSTON MARATHON 2025

Aidan Billington

Bib: 336•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 1.0%
Gender (Male)
#0 / 16105
Top 2%
Division (M18-39)
#0 / 5642
Top 4%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:33
Rank: #978
Start → 5K
18:33 | 5:58/mi
10K· 6.21 mi
36:21
Rank: #690 (+288)
5K → 10K
17:48 | 5:44/mi
15K· 9.32 mi
54:36
Rank: #682 (+8)
10K → 15K
18:15 | 5:52/mi
20K· 12.43 mi
1:12:42
Rank: #612 (+70)
15K → 20K
18:06 | 5:50/mi
Half· 13.11 mi
1:16:33
Rank: #593 (+19)
20K → Half
3:51 | 5:39/mi
25K· 15.53 mi
1:30:29
Rank: #536 (+57)
Half → 25K
13:56 | 5:45/mi
30K· 18.64 mi
1:48:35
Rank: #475 (+61)
25K → 30K
18:06 | 5:50/mi
20M
1:56:29
Rank: #440 (+35)
30K → 20M
7:54 | 5:49/mi
21M
2:02:40
Rank: #417 (+23)
20M → 21M
6:11 | 6:11/mi
35K· 21.75 mi
2:06:51
Rank: #402 (+15)
21M → 35K
4:11 | 5:36/mi
23M
2:14:11
Rank: #378 (+24)
35K → 23M
7:20 | 5:51/mi
24M
2:19:50
Rank: #353 (+25)
23M → 24M
5:39 | 5:39/mi
40K· 24.85 mi
2:24:46
Rank: #332 (+21)
24M → 40K
4:56 | 5:46/mi
25.2M
2:26:52
Rank: #317 (+15)
40K → 25.2M
2:06 | 6:05/mi
Finish· 26.22 mi
2:32:10
Rank: #279 (+38)
25.2M → Finish
5:18 | 5:12/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:16:33
Pace5:50 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:15:37
Pace5:46 /mi
📊Negative Split: 1.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:3718:335:5818:33
5:58
-
10K
6.21 mi10:36:2536:215:5117:48
5:44
-0:14
15K
9.32 mi10:54:4054:365:5118:15
5:52
+0:08
20K
12.43 mi11:12:461:12:425:5118:06
5:50
-0:02
Half
13.11 mi11:16:371:16:335:503:51
5:39
-0:11
25K
15.53 mi11:30:331:30:295:4913:56
5:45
+0:06
30K
18.64 mi11:48:391:48:355:4918:06
5:50
+0:05
20M
20.00 mi11:56:331:56:295:497:54
5:49
-0:01
21M
21.00 mi12:02:442:02:405:506:11
6:11
+0:22
35K
21.75 mi12:06:552:06:515:504:11
5:36
-0:35
23M
23.00 mi12:14:152:14:115:507:20
5:51
+0:15
24M
24.00 mi12:19:542:19:505:505:39
5:39
-0:12
40K
24.85 mi12:24:502:24:465:494:56
5:46
+0:07
25.2M
25.20 mi12:26:562:26:525:502:06
6:05
+0:19
Finish
26.22 mi12:32:142:32:105:485:18
5:12
-0:53

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

5:12 /mi

Average Pace

5:48 /mi

Slowest Pace

6:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

18:59

12% of race

Time at Steady Pace

2:07:00

83% of race

Time at Slower Pace

6:11

4% of race

Average Pace: 5:48 /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 mi10:18:3718:335:5818:33
5:58
#978
10K
6.21 mi10:36:2536:215:5117:48
5:44
#690
15K
9.32 mi10:54:4054:365:5118:15
5:52
#682
20K
12.43 mi11:12:461:12:425:5118:06
5:50
#612
Half
13.11 mi11:16:371:16:335:503:51
5:39
#593
25K
15.53 mi11:30:331:30:295:4913:56
5:45
#536
30K
18.64 mi11:48:391:48:355:4918:06
5:50
#475
20M
20.00 mi11:56:331:56:295:497:54
5:49
#440
21M
21.00 mi12:02:442:02:405:506:11
6:11
#417
35K
21.75 mi12:06:552:06:515:504:11
5:36
#402
23M
23.00 mi12:14:152:14:115:507:20
5:51
#378
24M
24.00 mi12:19:542:19:505:505:39
5:39
#353
40K
24.85 mi12:24:502:24:465:494:56
5:46
#332
25.2M
25.20 mi12:26:562:26:525:502:06
6:05
#317
Finish
26.22 mi12:32:142:32:105:485:18
5:12
#279
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi978919919689(Top 2%)643(Top 4%)643(Top 11%)
10K6.21 mi3.10 mi690+288644+275644+275498(Top 2%)461(Top 3%)461(Top 8%)
15K9.32 mi3.11 mi682+8634+10634+10689(Top 2%)643(Top 4%)643(Top 11%)
20K12.43 mi3.11 mi612+70566+68566+68469(Top 2%)438(Top 3%)438(Top 8%)
Half13.11 mi0.68 mi593+19549+17549+17352(Top 1%)326(Top 2%)326(Top 6%)
25K15.53 mi2.42 mi536+57494+55494+55343(Top 1%)317(Top 2%)317(Top 6%)
30K18.64 mi3.11 mi475+61439+55439+55269(Top 0.9%)247(Top 2%)247(Top 4%)
20M20.00 mi1.36 mi440+35405+34405+34198(Top 0.7%)180(Top 1%)180(Top 3%)
21M21.00 mi1.00 mi417+23384+21384+21252(Top 0.9%)235(Top 1%)235(Top 4%)
35K21.75 mi0.75 mi402+15371+13371+13177(Top 0.6%)161(Top 1.0%)161(Top 3%)
23M23.00 mi1.25 mi378+24350+21350+21207(Top 0.7%)191(Top 1%)191(Top 3%)
24M24.00 mi1.00 mi353+25326+24326+24158(Top 0.6%)146(Top 0.9%)146(Top 3%)
40K24.85 mi0.85 mi332+21305+21305+21167(Top 0.6%)158(Top 1.0%)158(Top 3%)
25.2M25.20 mi0.35 mi317+15290+15290+15115(Top 0.4%)108(Top 0.7%)108(Top 2%)
Finish26.22 mi1.02 mi279+38255+35255+3536(Top 0.1%)34(Top 0.2%)34(Top 0.6%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

689

Males

643

M18-39

643

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

498

Males

461

M18-39

461

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

689

Males

643

M18-39

643

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

469

Males

438

M18-39

438

20K→Half

12.4 - 13.1 mi

Top 1%
×2stories
+19ft-37ft

Overall

352

Males

326

M18-39

326

Half→25K

13.1 - 15.5 mi

Top 1%
×4stories
+66ft-88ft

Overall

343

Males

317

M18-39

317

25K→30K

15.5 - 18.6 mi

Top 0.9%
×9stories
+181ft-148ft

Overall

269

Males

247

M18-39

247

30K→20M

18.6 - 20.0 mi

Top 0.7%
×5stories
+64ft-50ft

Overall

198

Males

180

M18-39

180

20M→21M

20.0 - 21.0 mi

Top 0.9%
×8stories
+106ft-24ft

Overall

252

Males

235

M18-39

235

21M→35K

21.0 - 21.8 mi

Top 0.6%
×7stories
+17ft-86ft

Overall

177

Males

161

M18-39

161

35K→23M

21.8 - 23.0 mi

Top 0.7%
×5stories
+23ft-63ft

Overall

207

Males

191

M18-39

191

23M→24M

23.0 - 24.0 mi

Top 0.6%
×6stories
+12ft-82ft

Overall

158

Males

146

M18-39

146

24M→40K

24.0 - 24.9 mi

Top 0.6%
×1story
+6ft-20ft

Overall

167

Males

158

M18-39

158

40K→25.2M

24.9 - 25.2 mi

Top 0.4%
×1story
+13ft-16ft

Overall

115

Males

108

M18-39

108

25.2M→Finish

25.2 - 26.2 mi

Top 0.1%
×2stories
+22ft-21ft

Overall

36

Males

34

M18-39

34

Passing Analysis

Category:
Athletes Passed
730
Passed By
31
Net Change
+699
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#978
5K → 10K2891+288#978#690
10K → 15K3022+8#690#682
15K → 20K733+70#682#612
20K → Half190+19#612#593
Half → 25K581+57#593#536
25K → 30K621+61#536#475
30K → 20M350+35#475#440
20M → 21M252+23#440#417
21M → 35K150+15#417#402
35K → 23M240+24#402#378
23M → 24M250+25#378#353
24M → 40K221+21#353#332
40K → 25.2M150+15#332#317
25.2M → Finish380+38#317#279
TOTALS73031+699
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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