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BOSTON MARATHON 2025

David Rosen

Bib: 27030•M

OH

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 20%
Gender (Male)
#0 / 16105
Top 31%
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
6:47/mi
42:16
↑ 79↓ 1380.4%
15K· 9.32 mi
6:46/mi
1:03:16
↑ 67↓ 78
20K· 12.43 mi
6:56/mi
1:24:49
↑ 106↓ 860.1%
Half· 13.11 mi
6:47/mi
1:29:27
↑ 19↓ 370.5%
25K· 15.53 mi
6:49/mi
1:45:59
↑ 66↓ 880.2%
30K· 18.64 mi
7:16/mi
2:08:33
↑ 181↓ 1480.2%
20M
7:24/mi
2:18:37
↑ 64↓ 500.2%
21M
7:52/mi
2:26:29
↑ 106↓ 241.6%
35K· 21.75 mi
6:57/mi
2:31:41
↑ 17↓ 861.7%
23M
7:32/mi
2:41:07
↑ 23↓ 630.6%
24M
7:14/mi
2:48:21
↓ 821.3%
40K· 24.85 mi
7:27/mi
2:54:43
↓ 200.3%
25.2M
7:58/mi
2:57:28
↑ 13↓ 160.2%
Finish· 26.22 mi
6:46/mi
3:04:22
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:27
Pace6:49 /mi
2nd Half
Distance13.11 mi
Time1:34:55
Pace7:14 /mi
📊Positive Split: 6.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:37:0621:116:4921:11
6:49
-
10K
6.21 mi11:58:1142:166:4821:05
6:47
-0:02
15K
9.32 mi12:19:111:03:166:4721:00
6:46
-0:01
20K
12.43 mi12:40:441:24:496:4921:33
6:56
+0:10
Half
13.11 mi12:45:221:29:276:494:38
6:47
-0:09
25K
15.53 mi13:01:541:45:596:4916:32
6:49
+0:02
30K
18.64 mi13:24:282:08:336:5422:34
7:16
+0:27
20M
20.00 mi13:34:322:18:376:5610:04
7:24
+0:08
21M
21.00 mi13:42:242:26:296:597:52
7:52
+0:28
35K
21.75 mi13:47:362:31:416:585:12
6:57
-0:55
23M
23.00 mi13:57:022:41:077:009:26
7:32
+0:35
24M
24.00 mi14:04:162:48:217:017:14
7:14
-0:18
40K
24.85 mi14:10:382:54:437:026:22
7:27
+0:13
25.2M
25.20 mi14:13:232:57:287:032:45
7:58
+0:31
Finish
26.22 mi14:20:173:04:227:026:54
6:46
-1:12

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

6:46 /mi

Average Pace

7:02 /mi

Slowest Pace

7:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:37:57

86% of race

Time at Steady Pace

26:25

14% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:02 /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 mi11:37:0621:116:4921:11
6:49
#6465
10K
6.21 mi11:58:1142:166:4821:05
6:47
#6318
15K
9.32 mi12:19:111:03:166:4721:00
6:46
#6070
20K
12.43 mi12:40:441:24:496:4921:33
6:56
#6169
Half
13.11 mi12:45:221:29:276:494:38
6:47
#6156
25K
15.53 mi13:01:541:45:596:4916:32
6:49
#5916
30K
18.64 mi13:24:282:08:336:5422:34
7:16
#5943
20M
20.00 mi13:34:322:18:376:5610:04
7:24
#5948
21M
21.00 mi13:42:242:26:296:597:52
7:52
#5923
35K
21.75 mi13:47:362:31:416:585:12
6:57
#5855
23M
23.00 mi13:57:022:41:077:009:26
7:32
#5845
24M
24.00 mi14:04:162:48:217:017:14
7:14
#5780
40K
24.85 mi14:10:382:54:437:026:22
7:27
#5755
25.2M
25.20 mi14:13:232:57:287:032:45
7:58
#5712
Finish
26.22 mi14:20:173:04:227:026:54
6:46
#5605
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6465589158915690(Top 20%)5194(Top 32%)5194(Top 92%)
10K6.21 mi3.10 mi6318+1475780+1115780+1116243(Top 22%)5680(Top 35%)5680(Top 101%)
15K9.32 mi3.11 mi6070+2485558+2225558+2225690(Top 20%)5194(Top 32%)5194(Top 92%)
20K12.43 mi3.11 mi6169-995622-645622-646470(Top 23%)5801(Top 36%)5801(Top 103%)
Half13.11 mi0.68 mi6156+135608+145608+146102(Top 21%)5523(Top 34%)5523(Top 98%)
25K15.53 mi2.42 mi5916+2405389+2195389+2195031(Top 18%)4618(Top 29%)4618(Top 82%)
30K18.64 mi3.11 mi5943-275395-65395-66248(Top 22%)5485(Top 34%)5485(Top 97%)
20M20.00 mi1.36 mi5948-55382+135382+136430(Top 23%)5483(Top 34%)5483(Top 97%)
21M21.00 mi1.00 mi5923+255346+365346+366572(Top 23%)5421(Top 34%)5421(Top 96%)
35K21.75 mi0.75 mi5855+685291+555291+555079(Top 18%)4446(Top 28%)4446(Top 79%)
23M23.00 mi1.25 mi5845+105259+325259+326809(Top 24%)5476(Top 34%)5476(Top 97%)
24M24.00 mi1.00 mi5780+655196+635196+636018(Top 21%)4932(Top 31%)4932(Top 87%)
40K24.85 mi0.85 mi5755+255160+365160+366468(Top 23%)5124(Top 32%)5124(Top 91%)
25.2M25.20 mi0.35 mi5712+435120+405120+405790(Top 20%)4615(Top 29%)4615(Top 82%)
Finish26.22 mi1.02 mi5605+1075022+985022+984336(Top 15%)3680(Top 23%)3680(Top 65%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21story building
+97ft-345ft

Overall

5690

Males

5194

M18-39

5194

5K→10K

3.1 - 6.2 mi

Top 22%
×5story building
+79ft-138ft

Overall

6243

Males

5680

M18-39

5680

10K→15K

6.2 - 9.3 mi

Top 20%
×3story building
+67ft-78ft

Overall

5690

Males

5194

M18-39

5194

15K→20K

9.3 - 12.4 mi

Top 23%
×5story building
+106ft-86ft

Overall

6470

Males

5801

M18-39

5801

20K→Half

12.4 - 13.1 mi

Top 21%
×2story building
+19ft-37ft

Overall

6102

Males

5523

M18-39

5523

Half→25K

13.1 - 15.5 mi

Top 18%
×4story building
+66ft-88ft

Overall

5031

Males

4618

M18-39

4618

25K→30K

15.5 - 18.6 mi

Top 22%
×9story building
+181ft-148ft

Overall

6248

Males

5485

M18-39

5485

30K→20M

18.6 - 20.0 mi

Top 23%
×5story building
+64ft-50ft

Overall

6430

Males

5483

M18-39

5483

20M→21M

20.0 - 21.0 mi

Top 23%
×8story building
+106ft-24ft

Overall

6572

Males

5421

M18-39

5421

21M→35K

21.0 - 21.8 mi

Top 18%
×7story building
+17ft-86ft

Overall

5079

Males

4446

M18-39

4446

35K→23M

21.8 - 23.0 mi

Top 24%
×5story building
+23ft-63ft

Overall

6809

Males

5476

M18-39

5476

23M→24M

23.0 - 24.0 mi

Top 21%
×6story building
+12ft-82ft

Overall

6018

Males

4932

M18-39

4932

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6468

Males

5124

M18-39

5124

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5790

Males

4615

M18-39

4615

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2story building
+22ft-21ft

Overall

4336

Males

3680

M18-39

3680

Passing Analysis

Category:
Athletes Passed
1801
Passed By
941
Net Change
+860
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6465
5K → 10K267120+147#6465#6318
10K → 15K29749+248#6318#6070
15K → 20K119218-99#6070#6169
20K → Half3320+13#6169#6156
Half → 25K25919+240#6156#5916
25K → 30K177204-27#5916#5943
30K → 20M6974-5#5943#5948
20M → 21M8055+25#5948#5923
21M → 35K8517+68#5923#5855
35K → 23M9181+10#5855#5845
23M → 24M8823+65#5845#5780
24M → 40K6540+25#5780#5755
40K → 25.2M5310+43#5755#5712
25.2M → Finish11811+107#5712#5605
TOTALS1801941+860
📊

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