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BOSTON MARATHON 2025

David Robb

Bib: 7105•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 22%
Gender (Male)
#0 / 16105
Top 34%
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
6:49/mi
21:11
↑ 97↓ 3451.5%
10K· 6.21 mi
6:45/mi
42:08
↑ 79↓ 1380.4%
15K· 9.32 mi
6:44/mi
1:03:03
↑ 67↓ 78
20K· 12.43 mi
6:51/mi
1:24:19
↑ 106↓ 860.1%
Half· 13.11 mi
6:39/mi
1:28:51
↑ 19↓ 370.5%
25K· 15.53 mi
6:50/mi
1:45:26
↑ 66↓ 880.2%
30K· 18.64 mi
6:59/mi
2:07:07
↑ 181↓ 1480.2%
20M
7:10/mi
2:16:51
↑ 64↓ 500.2%
21M
7:51/mi
2:24:42
↑ 106↓ 241.6%
35K· 21.75 mi
7:24/mi
2:30:14
↑ 17↓ 861.7%
23M
7:53/mi
2:40:06
↑ 23↓ 630.6%
24M
8:10/mi
2:48:16
↓ 821.3%
40K· 24.85 mi
8:04/mi
2:55:10
↓ 200.3%
25.2M
9:31/mi
2:58:27
↑ 13↓ 160.2%
Finish· 26.22 mi
8:15/mi
3:06:51
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:51
Pace6:47 /mi
2nd Half
Distance13.11 mi
Time1:38:00
Pace7:29 /mi
📊Positive Split: 10.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:28:2221:116:4921:11
6:49
-
10K
6.21 mi10:49:1942:086:4720:57
6:45
-0:04
15K
9.32 mi11:10:141:03:036:4620:55
6:44
-0:01
20K
12.43 mi11:31:301:24:196:4721:16
6:51
+0:07
Half
13.11 mi11:36:021:28:516:474:32
6:39
-0:12
25K
15.53 mi11:52:371:45:266:4716:35
6:50
+0:11
30K
18.64 mi12:14:182:07:076:4921:41
6:59
+0:09
20M
20.00 mi12:24:022:16:516:519:44
7:10
+0:11
21M
21.00 mi12:31:532:24:426:537:51
7:51
+0:41
35K
21.75 mi12:37:252:30:146:545:32
7:24
-0:27
23M
23.00 mi12:47:172:40:066:589:52
7:53
+0:29
24M
24.00 mi12:55:272:48:167:018:10
8:10
+0:17
40K
24.85 mi13:02:212:55:107:036:54
8:04
-0:06
25.2M
25.20 mi13:05:382:58:277:053:17
9:31
+1:27
Finish
26.22 mi13:14:023:06:517:088:24
8:15
-1:16

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

6:39 /mi

Average Pace

7:08 /mi

Slowest Pace

9:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

46:24

25% of race

Time at Steady Pace

1:35:59

51% of race

Time at Slower Pace

44:28

24% of race

Average Pace: 7:08 /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 mi10:28:2221:116:4921:11
6:49
#6453
10K
6.21 mi10:49:1942:086:4720:57
6:45
#6101
15K
9.32 mi11:10:141:03:036:4620:55
6:44
#5861
20K
12.43 mi11:31:301:24:196:4721:16
6:51
#5814
Half
13.11 mi11:36:021:28:516:474:32
6:39
#5750
25K
15.53 mi11:52:371:45:266:4716:35
6:50
#5600
30K
18.64 mi12:14:182:07:076:4921:41
6:59
#5328
20M
20.00 mi12:24:022:16:516:519:44
7:10
#5291
21M
21.00 mi12:31:532:24:426:537:51
7:51
#5362
35K
21.75 mi12:37:252:30:146:545:32
7:24
#5439
23M
23.00 mi12:47:172:40:066:589:52
7:53
#5560
24M
24.00 mi12:55:272:48:167:018:10
8:10
#5757
40K
24.85 mi13:02:212:55:107:036:54
8:04
#5879
25.2M
25.20 mi13:05:382:58:277:053:17
9:31
#5959
Finish
26.22 mi13:14:023:06:517:088:24
8:15
#6206
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6453587958795383(Top 19%)4961(Top 31%)4961(Top 88%)
10K6.21 mi3.10 mi6101+3525593+2865593+2865753(Top 20%)5269(Top 33%)5269(Top 93%)
15K9.32 mi3.11 mi5861+2405379+2145379+2145383(Top 19%)4961(Top 31%)4961(Top 88%)
20K12.43 mi3.11 mi5814+475331+485331+485737(Top 20%)5227(Top 32%)5227(Top 93%)
Half13.11 mi0.68 mi5750+645277+545277+544800(Top 17%)4460(Top 28%)4460(Top 79%)
25K15.53 mi2.42 mi5600+1505144+1335144+1335189(Top 18%)4755(Top 30%)4755(Top 84%)
30K18.64 mi3.11 mi5328+2724893+2514893+2514570(Top 16%)4171(Top 26%)4171(Top 74%)
20M20.00 mi1.36 mi5291+374850+434850+434995(Top 18%)4480(Top 28%)4480(Top 79%)
21M21.00 mi1.00 mi5362-714901-514901-516460(Top 23%)5355(Top 33%)5355(Top 95%)
35K21.75 mi0.75 mi5439-774960-594960-597823(Top 28%)6177(Top 38%)6177(Top 109%)
23M23.00 mi1.25 mi5560-1215044-845044-849104(Top 32%)6762(Top 42%)6762(Top 120%)
24M24.00 mi1.00 mi5757-1975178-1345178-13412294(Top 43%)8302(Top 52%)8302(Top 147%)
40K24.85 mi0.85 mi5879-1225253-755253-7510625(Top 37%)7353(Top 46%)7353(Top 130%)
25.2M25.20 mi0.35 mi5959-805308-555308-5514582(Top 51%)9175(Top 57%)9175(Top 163%)
Finish26.22 mi1.02 mi6206-2475462-1545462-15414506(Top 51%)9247(Top 57%)9247(Top 164%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21story building
+97ft-345ft

Overall

5383

Males

4961

M18-39

4961

5K→10K

3.1 - 6.2 mi

Top 20%
×5story building
+79ft-138ft

Overall

5753

Males

5269

M18-39

5269

10K→15K

6.2 - 9.3 mi

Top 19%
×3story building
+67ft-78ft

Overall

5383

Males

4961

M18-39

4961

15K→20K

9.3 - 12.4 mi

Top 20%
×5story building
+106ft-86ft

Overall

5737

Males

5227

M18-39

5227

20K→Half

12.4 - 13.1 mi

Top 17%
×2story building
+19ft-37ft

Overall

4800

Males

4460

M18-39

4460

Half→25K

13.1 - 15.5 mi

Top 18%
×4story building
+66ft-88ft

Overall

5189

Males

4755

M18-39

4755

25K→30K

15.5 - 18.6 mi

Top 16%
×9story building
+181ft-148ft

Overall

4570

Males

4171

M18-39

4171

30K→20M

18.6 - 20.0 mi

Top 18%
×5story building
+64ft-50ft

Overall

4995

Males

4480

M18-39

4480

20M→21M

20.0 - 21.0 mi

Top 23%
×8story building
+106ft-24ft

Overall

6460

Males

5355

M18-39

5355

21M→35K

21.0 - 21.8 mi

Top 28%
×7story building
+17ft-86ft

Overall

7823

Males

6177

M18-39

6177

35K→23M

21.8 - 23.0 mi

Top 32%
×5story building
+23ft-63ft

Overall

9104

Males

6762

M18-39

6762

23M→24M

23.0 - 24.0 mi

Top 43%
×6story building
+12ft-82ft

Overall

12294

Males

8302

M18-39

8302

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

10625

Males

7353

M18-39

7353

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

14582

Males

9175

M18-39

9175

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2story building
+22ft-21ft

Overall

14506

Males

9247

M18-39

9247

Passing Analysis

Category:
Athletes Passed
1708
Passed By
1461
Net Change
+247
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6453
5K → 10K41866+352#6453#6101
10K → 15K27737+240#6101#5861
15K → 20K148101+47#5861#5814
20K → Half673+64#5814#5750
Half → 25K18232+150#5750#5600
25K → 30K32048+272#5600#5328
30K → 20M9558+37#5328#5291
20M → 21M56127-71#5291#5362
21M → 35K30107-77#5362#5439
35K → 23M51172-121#5439#5560
23M → 24M17214-197#5560#5757
24M → 40K20142-122#5757#5879
40K → 25.2M1090-80#5879#5959
25.2M → Finish17264-247#5959#6206
TOTALS17081461+247
📊

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