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BOSTON MARATHON 2025

Alex Martin

Bib: 3912•M

MN

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 7%
Gender (Male)
#0 / 16105
Top 12%
Division (M18-39)
#0 / 5642
Top 28%
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
6:17/mi
19:31
↑ 97↓ 3451.5%
10K· 6.21 mi
6:15/mi
38:57
↑ 79↓ 1380.4%
15K· 9.32 mi
6:11/mi
58:11
↑ 67↓ 78
20K· 12.43 mi
6:17/mi
1:17:43
↑ 106↓ 860.1%
Half· 13.11 mi
6:15/mi
1:21:59
↑ 19↓ 370.5%
25K· 15.53 mi
6:22/mi
1:37:24
↑ 66↓ 880.2%
30K· 18.64 mi
6:34/mi
1:57:49
↑ 181↓ 1480.2%
20M
6:49/mi
2:07:05
↑ 64↓ 500.2%
21M
7:19/mi
2:14:24
↑ 106↓ 241.6%
35K· 21.75 mi
6:52/mi
2:19:32
↑ 17↓ 861.7%
23M
6:48/mi
2:28:03
↑ 23↓ 630.6%
24M
6:22/mi
2:34:25
↓ 821.3%
40K· 24.85 mi
6:31/mi
2:39:59
↓ 200.3%
25.2M
6:58/mi
2:42:23
↑ 13↓ 160.2%
Finish· 26.22 mi
6:05/mi
2:48:35
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:21:59
Pace6:15 /mi
2nd Half
Distance13.11 mi
Time1:26:36
Pace6:36 /mi
📊Positive Split: 5.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:4619:316:1719:31
6:17
-
10K
6.21 mi10:41:1238:576:1619:26
6:15
-0:02
15K
9.32 mi11:00:2658:116:1519:14
6:11
-0:04
20K
12.43 mi11:19:581:17:436:1519:32
6:17
+0:06
Half
13.11 mi11:24:141:21:596:154:16
6:15
-0:02
25K
15.53 mi11:39:391:37:246:1615:25
6:22
+0:07
30K
18.64 mi12:00:041:57:496:1920:25
6:34
+0:12
20M
20.00 mi12:09:202:07:056:219:16
6:49
+0:15
21M
21.00 mi12:16:392:14:246:247:19
7:19
+0:30
35K
21.75 mi12:21:472:19:326:255:08
6:52
-0:27
23M
23.00 mi12:30:182:28:036:268:31
6:48
-0:04
24M
24.00 mi12:36:402:34:256:266:22
6:22
-0:26
40K
24.85 mi12:42:142:39:596:265:34
6:31
+0:09
25.2M
25.20 mi12:44:382:42:236:272:24
6:58
+0:27
Finish
26.22 mi12:50:502:48:356:266:12
6:05
-0:53

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

6:05 /mi

Average Pace

6:26 /mi

Slowest Pace

7:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

25:26

15% of race

Time at Steady Pace

1:30:06

53% of race

Time at Slower Pace

53:03

31% of race

Average Pace: 6:26 /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 mi10:21:4619:316:1719:31
6:17
#2314
10K
6.21 mi10:41:1238:576:1619:26
6:15
#2228
15K
9.32 mi11:00:2658:116:1519:14
6:11
#2057
20K
12.43 mi11:19:581:17:436:1519:32
6:17
#2013
Half
13.11 mi11:24:141:21:596:154:16
6:15
#2023
25K
15.53 mi11:39:391:37:246:1615:25
6:22
#2036
30K
18.64 mi12:00:041:57:496:1920:25
6:34
#2038
20M
20.00 mi12:09:202:07:056:219:16
6:49
#2095
21M
21.00 mi12:16:392:14:246:247:19
7:19
#2152
35K
21.75 mi12:21:472:19:326:255:08
6:52
#2201
23M
23.00 mi12:30:182:28:036:268:31
6:48
#2192
24M
24.00 mi12:36:402:34:256:266:22
6:22
#2130
40K
24.85 mi12:42:142:39:596:265:34
6:31
#2072
25.2M
25.20 mi12:44:382:42:236:272:24
6:58
#2048
Finish
26.22 mi12:50:502:48:356:266:12
6:05
#1982
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2314220822081811(Top 6%)1722(Top 11%)1722(Top 31%)
10K6.21 mi3.10 mi2228+862126+822126+822167(Top 8%)2070(Top 13%)2070(Top 37%)
15K9.32 mi3.11 mi2057+1711961+1651961+1651811(Top 6%)1722(Top 11%)1722(Top 31%)
20K12.43 mi3.11 mi2013+441921+401921+401946(Top 7%)1853(Top 12%)1853(Top 33%)
Half13.11 mi0.68 mi2023-101931-101931-102211(Top 8%)2112(Top 13%)2112(Top 37%)
25K15.53 mi2.42 mi2036-131941-101941-102137(Top 8%)2033(Top 13%)2033(Top 36%)
30K18.64 mi3.11 mi2038-21942-11942-12266(Top 8%)2145(Top 13%)2145(Top 38%)
20M20.00 mi1.36 mi2095-571994-521994-523011(Top 11%)2801(Top 17%)2801(Top 50%)
21M21.00 mi1.00 mi2152-572051-572051-573660(Top 13%)3342(Top 21%)3342(Top 59%)
35K21.75 mi0.75 mi2201-492100-492100-494428(Top 16%)3930(Top 24%)3930(Top 70%)
23M23.00 mi1.25 mi2192+92086+142086+142684(Top 9%)2467(Top 15%)2467(Top 44%)
24M24.00 mi1.00 mi2130+622025+612025+611523(Top 5%)1422(Top 9%)1422(Top 25%)
40K24.85 mi0.85 mi2072+581966+591966+591629(Top 6%)1505(Top 9%)1505(Top 27%)
25.2M25.20 mi0.35 mi2048+241942+241942+241355(Top 5%)1242(Top 8%)1242(Top 22%)
Finish26.22 mi1.02 mi1982+661878+641878+641142(Top 4%)1068(Top 7%)1068(Top 19%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21story building
+97ft-345ft

Overall

1811

Males

1722

M18-39

1722

5K→10K

3.1 - 6.2 mi

Top 8%
×5story building
+79ft-138ft

Overall

2167

Males

2070

M18-39

2070

10K→15K

6.2 - 9.3 mi

Top 6%
×3story building
+67ft-78ft

Overall

1811

Males

1722

M18-39

1722

15K→20K

9.3 - 12.4 mi

Top 7%
×5story building
+106ft-86ft

Overall

1946

Males

1853

M18-39

1853

20K→Half

12.4 - 13.1 mi

Top 8%
×2story building
+19ft-37ft

Overall

2211

Males

2112

M18-39

2112

Half→25K

13.1 - 15.5 mi

Top 8%
×4story building
+66ft-88ft

Overall

2137

Males

2033

M18-39

2033

25K→30K

15.5 - 18.6 mi

Top 8%
×9story building
+181ft-148ft

Overall

2266

Males

2145

M18-39

2145

30K→20M

18.6 - 20.0 mi

Top 11%
×5story building
+64ft-50ft

Overall

3011

Males

2801

M18-39

2801

20M→21M

20.0 - 21.0 mi

Top 13%
×8story building
+106ft-24ft

Overall

3660

Males

3342

M18-39

3342

21M→35K

21.0 - 21.8 mi

Top 16%
×7story building
+17ft-86ft

Overall

4428

Males

3930

M18-39

3930

35K→23M

21.8 - 23.0 mi

Top 9%
×5story building
+23ft-63ft

Overall

2684

Males

2467

M18-39

2467

23M→24M

23.0 - 24.0 mi

Top 5%
×6story building
+12ft-82ft

Overall

1523

Males

1422

M18-39

1422

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1629

Males

1505

M18-39

1505

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1355

Males

1242

M18-39

1242

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2story building
+22ft-21ft

Overall

1142

Males

1068

M18-39

1068

Passing Analysis

Category:
Athletes Passed
895
Passed By
563
Net Change
+332
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2314
5K → 10K15670+86#2314#2228
10K → 15K18312+171#2228#2057
15K → 20K9147+44#2057#2013
20K → Half414-10#2013#2023
Half → 25K5164-13#2023#2036
25K → 30K6870-2#2036#2038
30K → 20M2683-57#2038#2095
20M → 21M2582-57#2095#2152
21M → 35K1160-49#2152#2201
35K → 23M4536+9#2201#2192
23M → 24M697+62#2192#2130
24M → 40K668+58#2130#2072
40K → 25.2M284+24#2072#2048
25.2M → Finish726+66#2048#1982
TOTALS895563+332
📊

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