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BOSTON MARATHON 2025

Robert Innis

Bib: 31966•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
8:41/mi
26:59
↑ 97↓ 3451.5%
10K· 6.21 mi
8:14/mi
52:34
↑ 79↓ 1380.4%
15K· 9.32 mi
8:25/mi
1:18:43
↑ 67↓ 78
20K· 12.43 mi
9:14/mi
1:47:25
↑ 106↓ 860.1%
Half· 13.11 mi
8:40/mi
1:53:20
↑ 19↓ 370.5%
25K· 15.53 mi
9:54/mi
2:17:20
↑ 66↓ 880.2%
30K· 18.64 mi
9:52/mi
2:47:58
↑ 181↓ 1480.2%
20M
9:52/mi
3:01:22
↑ 64↓ 500.2%
21M
11:02/mi
3:12:24
↑ 106↓ 241.6%
35K· 21.75 mi
9:16/mi
3:19:20
↑ 17↓ 861.7%
23M
9:53/mi
3:31:43
↑ 23↓ 630.6%
24M
9:22/mi
3:41:05
↓ 821.3%
40K· 24.85 mi
10:22/mi
3:49:57
↓ 200.3%
25.2M
10:32/mi
3:53:35
↑ 13↓ 160.2%
Finish· 26.22 mi
8:54/mi
4:02:39
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:20
Pace8:39 /mi
2nd Half
Distance13.11 mi
Time2:09:19
Pace9:52 /mi
📊Positive Split: 14.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:4726:598:4126:59
8:41
-
10K
6.21 mi12:18:2252:348:2825:35
8:14
-0:27
15K
9.32 mi12:44:311:18:438:2726:09
8:25
+0:11
20K
12.43 mi13:13:131:47:258:3928:42
9:14
+0:49
Half
13.11 mi13:19:081:53:208:395:55
8:40
-0:34
25K
15.53 mi13:43:082:17:208:5024:00
9:54
+1:14
30K
18.64 mi14:13:462:47:589:0130:38
9:52
-0:02
20M
20.00 mi14:27:103:01:229:0413:24
9:52
0:00
21M
21.00 mi14:38:123:12:249:1011:02
11:02
+1:10
35K
21.75 mi14:45:083:19:209:106:56
9:16
-1:46
23M
23.00 mi14:57:313:31:439:1212:23
9:53
+0:37
24M
24.00 mi15:06:533:41:059:139:22
9:22
-0:31
40K
24.85 mi15:15:453:49:579:158:52
10:22
+1:00
25.2M
25.20 mi15:19:233:53:359:163:38
10:32
+0:10
Finish
26.22 mi15:28:274:02:399:169:04
8:54
-1:38

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

8:14 /mi

Average Pace

9:16 /mi

Slowest Pace

11:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:33:42

39% of race

Time at Steady Pace

45:00

19% of race

Time at Slower Pace

1:43:57

43% of race

Average Pace: 9:15 /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 mi11:52:4726:598:4126:59
8:41
#20934
10K
6.21 mi12:18:2252:348:2825:35
8:14
#19590
15K
9.32 mi12:44:311:18:438:2726:09
8:25
#19323
20K
12.43 mi13:13:131:47:258:3928:42
9:14
#20102
Half
13.11 mi13:19:081:53:208:395:55
8:40
#20085
25K
15.53 mi13:43:082:17:208:5024:00
9:54
#20820
30K
18.64 mi14:13:462:47:589:0130:38
9:52
#20924
20M
20.00 mi14:27:103:01:229:0413:24
9:52
#20884
21M
21.00 mi14:38:123:12:249:1011:02
11:02
#20941
35K
21.75 mi14:45:083:19:209:106:56
9:16
#20884
23M
23.00 mi14:57:313:31:439:1212:23
9:53
#20847
24M
24.00 mi15:06:533:41:059:139:22
9:22
#20779
40K
24.85 mi15:15:453:49:579:158:52
10:22
#20828
25.2M
25.20 mi15:19:233:53:359:163:38
10:32
#20791
Finish
26.22 mi15:28:274:02:399:169:04
8:54
#20729
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi20934128341283418808(Top 66%)11970(Top 74%)11970(Top 212%)
10K6.21 mi3.10 mi19590+134412298+53612298+53618131(Top 64%)11702(Top 73%)11702(Top 207%)
15K9.32 mi3.11 mi19323+26712193+10512193+10518808(Top 66%)11970(Top 74%)11970(Top 212%)
20K12.43 mi3.11 mi20102-77912520-32712520-32722026(Top 78%)13369(Top 83%)13369(Top 237%)
Half13.11 mi0.68 mi20085+1712506+1412506+1420174(Top 71%)12542(Top 78%)12542(Top 222%)
25K15.53 mi2.42 mi20820-73512823-31712823-31722993(Top 81%)13742(Top 85%)13742(Top 244%)
30K18.64 mi3.11 mi20924-10412821+212821+221183(Top 75%)12795(Top 79%)12795(Top 227%)
20M20.00 mi1.36 mi20884+4012794+2712794+2720484(Top 72%)12362(Top 77%)12362(Top 219%)
21M21.00 mi1.00 mi20941-5712795-112795-121482(Top 76%)12729(Top 79%)12729(Top 226%)
35K21.75 mi0.75 mi20884+5712754+4112754+4119444(Top 68%)11711(Top 73%)11711(Top 208%)
23M23.00 mi1.25 mi20847+3712716+3812716+3820115(Top 71%)11953(Top 74%)11953(Top 212%)
24M24.00 mi1.00 mi20779+6812668+4812668+4819093(Top 67%)11460(Top 71%)11460(Top 203%)
40K24.85 mi0.85 mi20828-49126681266821567(Top 76%)12546(Top 78%)12546(Top 222%)
25.2M25.20 mi0.35 mi20791+3712639+2912639+2919116(Top 67%)11374(Top 71%)11374(Top 202%)
Finish26.22 mi1.02 mi20729+6212598+4112598+4118520(Top 65%)11138(Top 69%)11138(Top 197%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21story building
+97ft-345ft

Overall

18808

Males

11970

M18-39

11970

5K→10K

3.1 - 6.2 mi

Top 64%
×5story building
+79ft-138ft

Overall

18131

Males

11702

M18-39

11702

10K→15K

6.2 - 9.3 mi

Top 66%
×3story building
+67ft-78ft

Overall

18808

Males

11970

M18-39

11970

15K→20K

9.3 - 12.4 mi

Top 78%
×5story building
+106ft-86ft

Overall

22026

Males

13369

M18-39

13369

20K→Half

12.4 - 13.1 mi

Top 71%
×2story building
+19ft-37ft

Overall

20174

Males

12542

M18-39

12542

Half→25K

13.1 - 15.5 mi

Top 81%
×4story building
+66ft-88ft

Overall

22993

Males

13742

M18-39

13742

25K→30K

15.5 - 18.6 mi

Top 75%
×9story building
+181ft-148ft

Overall

21183

Males

12795

M18-39

12795

30K→20M

18.6 - 20.0 mi

Top 72%
×5story building
+64ft-50ft

Overall

20484

Males

12362

M18-39

12362

20M→21M

20.0 - 21.0 mi

Top 76%
×8story building
+106ft-24ft

Overall

21482

Males

12729

M18-39

12729

21M→35K

21.0 - 21.8 mi

Top 68%
×7story building
+17ft-86ft

Overall

19444

Males

11711

M18-39

11711

35K→23M

21.8 - 23.0 mi

Top 71%
×5story building
+23ft-63ft

Overall

20115

Males

11953

M18-39

11953

23M→24M

23.0 - 24.0 mi

Top 67%
×6story building
+12ft-82ft

Overall

19093

Males

11460

M18-39

11460

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

21567

Males

12546

M18-39

12546

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

19116

Males

11374

M18-39

11374

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2story building
+22ft-21ft

Overall

18520

Males

11138

M18-39

11138

Passing Analysis

Category:
Athletes Passed
2647
Passed By
2442
Net Change
+205
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20934
5K → 10K136622+1344#20934#19590
10K → 15K34982+267#19590#19323
15K → 20K49828-779#19323#20102
20K → Half3720+17#20102#20085
Half → 25K32767-735#20085#20820
25K → 30K172276-104#20820#20924
30K → 20M12080+40#20924#20884
20M → 21M76133-57#20884#20941
21M → 35K8225+57#20941#20884
35K → 23M11073+37#20884#20847
23M → 24M9628+68#20847#20779
24M → 40K3382-49#20779#20828
40K → 25.2M4811+37#20828#20791
25.2M → Finish7715+62#20791#20729
TOTALS26472442+205
📊

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