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BOSTON MARATHON 2025

Oliver Key

Bib: 27072•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

Start
0:00:00
Race begins
5K· 3.11 mi
27:21
Rank: #21524
Start → 5K
27:21 | 8:48/mi
10K· 6.21 mi
54:16
Rank: #21071 (+453)
5K → 10K
26:55 | 8:40/mi
15K· 9.32 mi
1:20:55
Rank: #20643 (+428)
10K → 15K
26:39 | 8:35/mi
20K· 12.43 mi
1:48:06
Rank: #20407 (+236)
15K → 20K
27:11 | 8:45/mi
Half· 13.11 mi
1:54:02
Rank: #20397 (+10)
20K → Half
5:56 | 8:42/mi
25K· 15.53 mi
2:15:59
Rank: #20378 (+19)
Half → 25K
21:57 | 9:03/mi
30K· 18.64 mi
2:46:29
Rank: #20528 (-150)
25K → 30K
30:30 | 9:49/mi
20M
2:59:31
Rank: #20443 (+85)
30K → 20M
13:02 | 9:35/mi
21M
3:09:42
Rank: #20353 (+90)
20M → 21M
10:11 | 10:11/mi
35K· 21.75 mi
3:16:44
Rank: #20326 (+27)
21M → 35K
7:02 | 9:24/mi
23M
3:29:26
Rank: #20404 (-78)
35K → 23M
12:42 | 10:09/mi
24M
3:39:16
Rank: #20457 (-53)
23M → 24M
9:50 | 9:50/mi
40K· 24.85 mi
3:47:56
Rank: #20492 (-35)
24M → 40K
8:40 | 10:08/mi
25.2M
3:51:56
Rank: #20549 (-57)
40K → 25.2M
4:00 | 11:36/mi
Finish· 26.22 mi
4:01:41
Rank: #20594 (-45)
25.2M → Finish
9:45 | 9:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:02
Pace8:42 /mi
2nd Half
Distance13.11 mi
Time2:07:39
Pace9:44 /mi
📊Positive Split: 11.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:1127:218:4827:21
8:48
-
10K
6.21 mi12:10:0654:168:4426:55
8:40
-0:08
15K
9.32 mi12:36:451:20:558:4126:39
8:35
-0:05
20K
12.43 mi13:03:561:48:068:4227:11
8:45
+0:10
Half
13.11 mi13:09:521:54:028:425:56
8:42
-0:03
25K
15.53 mi13:31:492:15:598:4521:57
9:03
+0:21
30K
18.64 mi14:02:192:46:298:5630:30
9:49
+0:46
20M
20.00 mi14:15:212:59:318:5913:02
9:35
-0:14
21M
21.00 mi14:25:323:09:429:0210:11
10:11
+0:36
35K
21.75 mi14:32:343:16:449:037:02
9:24
-0:47
23M
23.00 mi14:45:163:29:269:0612:42
10:09
+0:45
24M
24.00 mi14:55:063:39:169:089:50
9:50
-0:19
40K
24.85 mi15:03:463:47:569:108:40
10:08
+0:18
25.2M
25.20 mi15:07:463:51:569:124:00
11:36
+1:28
Finish
26.22 mi15:17:314:01:419:139:45
9:34
-2:02

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

8:35 /mi

Average Pace

9:13 /mi

Slowest Pace

11:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:15:59

56% of race

Time at Steady Pace

1:10:09

29% of race

Time at Slower Pace

35:33

15% of race

Average Pace: 9:13 /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 mi11:43:1127:218:4827:21
8:48
#21524
10K
6.21 mi12:10:0654:168:4426:55
8:40
#21071
15K
9.32 mi12:36:451:20:558:4126:39
8:35
#20643
20K
12.43 mi13:03:561:48:068:4227:11
8:45
#20407
Half
13.11 mi13:09:521:54:028:425:56
8:42
#20397
25K
15.53 mi13:31:492:15:598:4521:57
9:03
#20378
30K
18.64 mi14:02:192:46:298:5630:30
9:49
#20528
20M
20.00 mi14:15:212:59:318:5913:02
9:35
#20443
21M
21.00 mi14:25:323:09:429:0210:11
10:11
#20353
35K
21.75 mi14:32:343:16:449:037:02
9:24
#20326
23M
23.00 mi14:45:163:29:269:0612:42
10:09
#20404
24M
24.00 mi14:55:063:39:169:089:50
9:50
#20457
40K
24.85 mi15:03:463:47:569:108:40
10:08
#20492
25.2M
25.20 mi15:07:463:51:569:124:00
11:36
#20549
Finish
26.22 mi15:17:314:01:419:139:45
9:34
#20594
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi21524130901309019788(Top 70%)12409(Top 77%)12409(Top 220%)
10K6.21 mi3.10 mi21071+45312922+16812922+16820680(Top 73%)12776(Top 79%)12776(Top 226%)
15K9.32 mi3.11 mi20643+42812754+16812754+16819788(Top 70%)12409(Top 77%)12409(Top 220%)
20K12.43 mi3.11 mi20407+23612645+10912645+10919674(Top 69%)12321(Top 77%)12321(Top 218%)
Half13.11 mi0.68 mi20397+1012637+812637+820310(Top 72%)12602(Top 78%)12602(Top 223%)
25K15.53 mi2.42 mi20378+1912619+1812619+1820135(Top 71%)12472(Top 77%)12472(Top 221%)
30K18.64 mi3.11 mi20528-15012645-2612645-2621047(Top 74%)12740(Top 79%)12740(Top 226%)
20M20.00 mi1.36 mi20443+8512583+6212583+6219567(Top 69%)11955(Top 74%)11955(Top 212%)
21M21.00 mi1.00 mi20353+9012525+5812525+5818969(Top 67%)11603(Top 72%)11603(Top 206%)
35K21.75 mi0.75 mi20326+2712498+2712498+2719937(Top 70%)11942(Top 74%)11942(Top 212%)
23M23.00 mi1.25 mi20404-7812515-1712515-1720932(Top 74%)12364(Top 77%)12364(Top 219%)
24M24.00 mi1.00 mi20457-5312524-912524-920826(Top 73%)12257(Top 76%)12257(Top 217%)
40K24.85 mi0.85 mi20492-3512522+212522+220890(Top 74%)12233(Top 76%)12233(Top 217%)
25.2M25.20 mi0.35 mi20549-5712536-1412536-1422276(Top 78%)12926(Top 80%)12926(Top 229%)
Finish26.22 mi1.02 mi20594-4512546-1012546-1021414(Top 75%)12488(Top 78%)12488(Top 221%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21stories
+97ft-345ft

Overall

19788

Males

12409

M18-39

12409

5K→10K

3.1 - 6.2 mi

Top 73%
×5stories
+79ft-138ft

Overall

20680

Males

12776

M18-39

12776

10K→15K

6.2 - 9.3 mi

Top 70%
×3stories
+67ft-78ft

Overall

19788

Males

12409

M18-39

12409

15K→20K

9.3 - 12.4 mi

Top 69%
×5stories
+106ft-86ft

Overall

19674

Males

12321

M18-39

12321

20K→Half

12.4 - 13.1 mi

Top 72%
×2stories
+19ft-37ft

Overall

20310

Males

12602

M18-39

12602

Half→25K

13.1 - 15.5 mi

Top 71%
×4stories
+66ft-88ft

Overall

20135

Males

12472

M18-39

12472

25K→30K

15.5 - 18.6 mi

Top 74%
×9stories
+181ft-148ft

Overall

21047

Males

12740

M18-39

12740

30K→20M

18.6 - 20.0 mi

Top 69%
×5stories
+64ft-50ft

Overall

19567

Males

11955

M18-39

11955

20M→21M

20.0 - 21.0 mi

Top 67%
×8stories
+106ft-24ft

Overall

18969

Males

11603

M18-39

11603

21M→35K

21.0 - 21.8 mi

Top 70%
×7stories
+17ft-86ft

Overall

19937

Males

11942

M18-39

11942

35K→23M

21.8 - 23.0 mi

Top 74%
×5stories
+23ft-63ft

Overall

20932

Males

12364

M18-39

12364

23M→24M

23.0 - 24.0 mi

Top 73%
×6stories
+12ft-82ft

Overall

20826

Males

12257

M18-39

12257

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

20890

Males

12233

M18-39

12233

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

22276

Males

12926

M18-39

12926

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2stories
+22ft-21ft

Overall

21414

Males

12488

M18-39

12488

Passing Analysis

Category:
Athletes Passed
2269
Passed By
1339
Net Change
+930
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21524
5K → 10K567114+453#21524#21071
10K → 15K47446+428#21071#20643
15K → 20K30670+236#20643#20407
20K → Half3929+10#20407#20397
Half → 25K164145+19#20397#20378
25K → 30K187337-150#20378#20528
30K → 20M14257+85#20528#20443
20M → 21M13141+90#20443#20353
21M → 35K6841+27#20353#20326
35K → 23M68146-78#20326#20404
23M → 24M3790-53#20404#20457
24M → 40K4883-35#20457#20492
40K → 25.2M1370-57#20492#20549
25.2M → Finish2570-45#20549#20594
TOTALS22691339+930
📊

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