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BOSTON MARATHON 2025

Alex Vance

Bib: 4361•M

CO

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 30%
Gender (Male)
#0 / 16105
Top 43%
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
7:05/mi
21:59
↑ 97↓ 3451.5%
10K· 6.21 mi
6:51/mi
43:16
↑ 79↓ 1380.4%
15K· 9.32 mi
6:44/mi
1:04:10
↑ 67↓ 78
20K· 12.43 mi
7:01/mi
1:25:58
↑ 106↓ 860.1%
Half· 13.11 mi
6:56/mi
1:30:42
↑ 19↓ 370.5%
25K· 15.53 mi
7:04/mi
1:47:50
↑ 66↓ 880.2%
30K· 18.64 mi
7:55/mi
2:12:25
↑ 181↓ 1480.2%
20M
8:38/mi
2:24:09
↑ 64↓ 500.2%
21M
9:17/mi
2:33:26
↑ 106↓ 241.6%
35K· 21.75 mi
8:16/mi
2:39:37
↑ 17↓ 861.7%
23M
8:38/mi
2:50:25
↑ 23↓ 630.6%
24M
7:52/mi
2:58:17
↓ 821.3%
40K· 24.85 mi
7:38/mi
3:04:49
↓ 200.3%
25.2M
8:10/mi
3:07:38
↑ 13↓ 160.2%
Finish· 26.22 mi
7:03/mi
3:14:49
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:42
Pace6:55 /mi
2nd Half
Distance13.11 mi
Time1:44:07
Pace7:57 /mi
📊Positive Split: 14.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:1121:597:0521:59
7:05
-
10K
6.21 mi10:45:2843:166:5821:17
6:51
-0:14
15K
9.32 mi11:06:221:04:106:5320:54
6:44
-0:07
20K
12.43 mi11:28:101:25:586:5521:48
7:01
+0:17
Half
13.11 mi11:32:541:30:426:554:44
6:56
-0:05
25K
15.53 mi11:50:021:47:506:5617:08
7:04
+0:08
30K
18.64 mi12:14:372:12:257:0624:35
7:55
+0:51
20M
20.00 mi12:26:212:24:097:1211:44
8:38
+0:43
21M
21.00 mi12:35:382:33:267:189:17
9:17
+0:39
35K
21.75 mi12:41:492:39:377:206:11
8:16
-1:01
23M
23.00 mi12:52:372:50:257:2510:48
8:38
+0:22
24M
24.00 mi13:00:292:58:177:267:52
7:52
-0:46
40K
24.85 mi13:07:013:04:497:266:32
7:38
-0:14
25.2M
25.20 mi13:09:503:07:387:272:49
8:10
+0:32
Finish
26.22 mi13:17:013:14:497:267:11
7:03
-1:07

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

6:44 /mi

Average Pace

7:26 /mi

Slowest Pace

9:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:55:01

59% of race

Time at Steady Pace

38:59

20% of race

Time at Slower Pace

40:49

21% of race

Average Pace: 7:26 /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 mi10:24:1121:597:0521:59
7:05
#8416
10K
6.21 mi10:45:2843:166:5821:17
6:51
#7611
15K
9.32 mi11:06:221:04:106:5320:54
6:44
#6954
20K
12.43 mi11:28:101:25:586:5521:48
7:01
#6968
Half
13.11 mi11:32:541:30:426:554:44
6:56
#6973
25K
15.53 mi11:50:021:47:506:5617:08
7:04
#6871
30K
18.64 mi12:14:372:12:257:0624:35
7:55
#7376
20M
20.00 mi12:26:212:24:097:1211:44
8:38
#7806
21M
21.00 mi12:35:382:33:267:189:17
9:17
#8190
35K
21.75 mi12:41:492:39:377:206:11
8:16
#8388
23M
23.00 mi12:52:372:50:257:2510:48
8:38
#8735
24M
24.00 mi13:00:292:58:177:267:52
7:52
#8765
40K
24.85 mi13:07:013:04:497:266:32
7:38
#8682
25.2M
25.20 mi13:09:503:07:387:272:49
8:10
#8620
Finish
26.22 mi13:17:013:14:497:267:11
7:03
#8488
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi8416725772575348(Top 19%)4936(Top 31%)4936(Top 87%)
10K6.21 mi3.10 mi7611+8056729+5286729+5286869(Top 24%)6178(Top 38%)6178(Top 110%)
15K9.32 mi3.11 mi6954+6576249+4806249+4805348(Top 19%)4936(Top 31%)4936(Top 87%)
20K12.43 mi3.11 mi6968-146251-26251-26977(Top 25%)6192(Top 38%)6192(Top 110%)
Half13.11 mi0.68 mi6973-56252-16252-17166(Top 25%)6343(Top 39%)6343(Top 112%)
25K15.53 mi2.42 mi6871+1026151+1016151+1016752(Top 24%)5944(Top 37%)5944(Top 105%)
30K18.64 mi3.11 mi7376-5056481-3306481-33010720(Top 38%)8033(Top 50%)8033(Top 142%)
20M20.00 mi1.36 mi7806-4306720-2396720-23914602(Top 51%)9725(Top 60%)9725(Top 172%)
21M21.00 mi1.00 mi8190-3846926-2066926-20615019(Top 53%)9779(Top 61%)9779(Top 173%)
35K21.75 mi0.75 mi8388-1987021-957021-9513975(Top 49%)9260(Top 57%)9260(Top 164%)
23M23.00 mi1.25 mi8735-3477185-1647185-16414056(Top 49%)9187(Top 57%)9187(Top 163%)
24M24.00 mi1.00 mi8765-307166+197166+1910290(Top 36%)7310(Top 45%)7310(Top 130%)
40K24.85 mi0.85 mi8682+837079+877079+877689(Top 27%)5827(Top 36%)5827(Top 103%)
25.2M25.20 mi0.35 mi8620+627028+517028+516857(Top 24%)5276(Top 33%)5276(Top 94%)
Finish26.22 mi1.02 mi8488+1326928+1006928+1006062(Top 21%)4770(Top 30%)4770(Top 85%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21story building
+97ft-345ft

Overall

5348

Males

4936

M18-39

4936

5K→10K

3.1 - 6.2 mi

Top 24%
×5story building
+79ft-138ft

Overall

6869

Males

6178

M18-39

6178

10K→15K

6.2 - 9.3 mi

Top 19%
×3story building
+67ft-78ft

Overall

5348

Males

4936

M18-39

4936

15K→20K

9.3 - 12.4 mi

Top 25%
×5story building
+106ft-86ft

Overall

6977

Males

6192

M18-39

6192

20K→Half

12.4 - 13.1 mi

Top 25%
×2story building
+19ft-37ft

Overall

7166

Males

6343

M18-39

6343

Half→25K

13.1 - 15.5 mi

Top 24%
×4story building
+66ft-88ft

Overall

6752

Males

5944

M18-39

5944

25K→30K

15.5 - 18.6 mi

Top 38%
×9story building
+181ft-148ft

Overall

10720

Males

8033

M18-39

8033

30K→20M

18.6 - 20.0 mi

Top 51%
×5story building
+64ft-50ft

Overall

14602

Males

9725

M18-39

9725

20M→21M

20.0 - 21.0 mi

Top 53%
×8story building
+106ft-24ft

Overall

15019

Males

9779

M18-39

9779

21M→35K

21.0 - 21.8 mi

Top 49%
×7story building
+17ft-86ft

Overall

13975

Males

9260

M18-39

9260

35K→23M

21.8 - 23.0 mi

Top 49%
×5story building
+23ft-63ft

Overall

14056

Males

9187

M18-39

9187

23M→24M

23.0 - 24.0 mi

Top 36%
×6story building
+12ft-82ft

Overall

10290

Males

7310

M18-39

7310

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

7689

Males

5827

M18-39

5827

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6857

Males

5276

M18-39

5276

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2story building
+22ft-21ft

Overall

6062

Males

4770

M18-39

4770

Passing Analysis

Category:
Athletes Passed
2406
Passed By
2478
Net Change
-72
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8416
5K → 10K82217+805#8416#7611
10K → 15K6603+657#7611#6954
15K → 20K140154-14#6954#6968
20K → Half2025-5#6968#6973
Half → 25K16462+102#6973#6871
25K → 30K67572-505#6871#7376
30K → 20M20450-430#7376#7806
20M → 21M33417-384#7806#8190
21M → 35K20218-198#8190#8388
35K → 23M52399-347#8388#8735
23M → 24M6898-30#8735#8765
24M → 40K11835+83#8765#8682
40K → 25.2M719+62#8682#8620
25.2M → Finish15119+132#8620#8488
TOTALS24062478-72
📊

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