Boston Marathon logo
BOSTON MARATHON 2025

Alexander Baker

Bib: 2763•M

UT

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 9%
Gender (Male)
#0 / 16105
Top 15%
Division (M18-39)
#0 / 5642
Top 34%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:34
Rank: #2441
Start → 5K
19:34 | 6:18/mi
10K· 6.21 mi
39:06
Rank: #2363 (+78)
5K → 10K
19:32 | 6:17/mi
15K· 9.32 mi
58:11
Rank: #2064 (+299)
10K → 15K
19:05 | 6:09/mi
20K· 12.43 mi
1:17:11
Rank: #1810 (+254)
15K → 20K
19:00 | 6:07/mi
Half· 13.11 mi
1:21:15
Rank: #1758 (+52)
20K → Half
4:04 | 5:58/mi
25K· 15.53 mi
1:36:17
Rank: #1676 (+82)
Half → 25K
15:02 | 6:12/mi
30K· 18.64 mi
1:56:33
Rank: #1719 (-43)
25K → 30K
20:16 | 6:31/mi
20M
2:05:51
Rank: #1802 (-83)
30K → 20M
9:18 | 6:51/mi
21M
2:13:18
Rank: #1895 (-93)
20M → 21M
7:27 | 7:27/mi
35K· 21.75 mi
2:18:37
Rank: #2008 (-113)
21M → 35K
5:19 | 7:06/mi
23M
2:27:44
Rank: #2141 (-133)
35K → 23M
9:07 | 7:17/mi
24M
2:34:53
Rank: #2236 (-95)
23M → 24M
7:09 | 7:09/mi
40K· 24.85 mi
2:41:22
Rank: #2365 (-129)
24M → 40K
6:29 | 7:35/mi
25.2M
2:44:18
Rank: #2446 (-81)
40K → 25.2M
2:56 | 8:30/mi
Finish· 26.22 mi
2:51:25
Rank: #2519 (-73)
25.2M → Finish
7:07 | 6:59/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:21:15
Pace6:12 /mi
2nd Half
Distance13.11 mi
Time1:30:10
Pace6:53 /mi
📊Positive Split: 11.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:4019:346:1819:34
6:18
-
10K
6.21 mi10:40:1239:066:1819:32
6:17
-0:01
15K
9.32 mi10:59:1758:116:1519:05
6:09
-0:08
20K
12.43 mi11:18:171:17:116:1319:00
6:07
-0:02
Half
13.11 mi11:22:211:21:156:124:04
5:58
-0:09
25K
15.53 mi11:37:231:36:176:1215:02
6:12
+0:14
30K
18.64 mi11:57:391:56:336:1520:16
6:31
+0:19
20M
20.00 mi12:06:572:05:516:189:18
6:51
+0:20
21M
21.00 mi12:14:242:13:186:217:27
7:27
+0:36
35K
21.75 mi12:19:432:18:376:225:19
7:06
-0:21
23M
23.00 mi12:28:502:27:446:259:07
7:17
+0:11
24M
24.00 mi12:35:592:34:536:277:09
7:09
-0:08
40K
24.85 mi12:42:282:41:226:306:29
7:35
+0:26
25.2M
25.20 mi12:45:242:44:186:312:56
8:30
+0:55
Finish
26.22 mi12:52:312:51:256:337:07
6:59
-1:31

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

5:58 /mi

Average Pace

6:33 /mi

Slowest Pace

8:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:36:17

56% of race

Time at Steady Pace

49:09

29% of race

Time at Slower Pace

25:59

15% of race

Average Pace: 6:32 /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 mi10:20:4019:346:1819:34
6:18
#2441
10K
6.21 mi10:40:1239:066:1819:32
6:17
#2363
15K
9.32 mi10:59:1758:116:1519:05
6:09
#2064
20K
12.43 mi11:18:171:17:116:1319:00
6:07
#1810
Half
13.11 mi11:22:211:21:156:124:04
5:58
#1758
25K
15.53 mi11:37:231:36:176:1215:02
6:12
#1676
30K
18.64 mi11:57:391:56:336:1520:16
6:31
#1719
20M
20.00 mi12:06:572:05:516:189:18
6:51
#1802
21M
21.00 mi12:14:242:13:186:217:27
7:27
#1895
35K
21.75 mi12:19:432:18:376:225:19
7:06
#2008
23M
23.00 mi12:28:502:27:446:259:07
7:17
#2141
24M
24.00 mi12:35:592:34:536:277:09
7:09
#2236
40K
24.85 mi12:42:282:41:226:306:29
7:35
#2365
25.2M
25.20 mi12:45:242:44:186:312:56
8:30
#2446
Finish
26.22 mi12:52:312:51:256:337:07
6:59
#2519
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2441232523251579(Top 6%)1502(Top 9%)1502(Top 27%)
10K6.21 mi3.10 mi2363+782254+712254+712345(Top 8%)2244(Top 14%)2244(Top 40%)
15K9.32 mi3.11 mi2064+2991968+2861968+2861579(Top 6%)1502(Top 9%)1502(Top 27%)
20K12.43 mi3.11 mi1810+2541721+2471721+2471238(Top 4%)1173(Top 7%)1173(Top 21%)
Half13.11 mi0.68 mi1758+521671+501671+501055(Top 4%)1002(Top 6%)1002(Top 18%)
25K15.53 mi2.42 mi1676+821593+781593+781471(Top 5%)1399(Top 9%)1399(Top 25%)
30K18.64 mi3.11 mi1719-431634-411634-412094(Top 7%)1991(Top 12%)1991(Top 35%)
20M20.00 mi1.36 mi1802-831714-801714-803180(Top 11%)2945(Top 18%)2945(Top 52%)
21M21.00 mi1.00 mi1895-931802-881802-884354(Top 15%)3898(Top 24%)3898(Top 69%)
35K21.75 mi0.75 mi2008-1131909-1071909-1076005(Top 21%)5062(Top 31%)5062(Top 90%)
23M23.00 mi1.25 mi2141-1332038-1292038-1295345(Top 19%)4556(Top 28%)4556(Top 81%)
24M24.00 mi1.00 mi2236-952127-892127-895503(Top 19%)4600(Top 29%)4600(Top 82%)
40K24.85 mi0.85 mi2365-1292248-1212248-1217275(Top 26%)5581(Top 35%)5581(Top 99%)
25.2M25.20 mi0.35 mi2446-812320-722320-728742(Top 31%)6301(Top 39%)6301(Top 112%)
Finish26.22 mi1.02 mi2519-732387-672387-675618(Top 20%)4489(Top 28%)4489(Top 80%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1579

Males

1502

M18-39

1502

5K→10K

3.1 - 6.2 mi

Top 8%
×5stories
+79ft-138ft

Overall

2345

Males

2244

M18-39

2244

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1579

Males

1502

M18-39

1502

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

1238

Males

1173

M18-39

1173

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1055

Males

1002

M18-39

1002

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1471

Males

1399

M18-39

1399

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

2094

Males

1991

M18-39

1991

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

3180

Males

2945

M18-39

2945

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

4354

Males

3898

M18-39

3898

21M→35K

21.0 - 21.8 mi

Top 21%
×7stories
+17ft-86ft

Overall

6005

Males

5062

M18-39

5062

35K→23M

21.8 - 23.0 mi

Top 19%
×5stories
+23ft-63ft

Overall

5345

Males

4556

M18-39

4556

23M→24M

23.0 - 24.0 mi

Top 19%
×6stories
+12ft-82ft

Overall

5503

Males

4600

M18-39

4600

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

7275

Males

5581

M18-39

5581

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

8742

Males

6301

M18-39

6301

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2stories
+22ft-21ft

Overall

5618

Males

4489

M18-39

4489

Passing Analysis

Category:
Athletes Passed
1005
Passed By
1083
Net Change
-78
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2441
5K → 10K13658+78#2441#2363
10K → 15K3034+299#2363#2064
15K → 20K2540+254#2064#1810
20K → Half520+52#1810#1758
Half → 25K919+82#1758#1676
25K → 30K5295-43#1676#1719
30K → 20M22105-83#1719#1802
20M → 21M16109-93#1802#1895
21M → 35K11124-113#1895#2008
35K → 23M19152-133#2008#2141
23M → 24M18113-95#2141#2236
24M → 40K11140-129#2236#2365
40K → 25.2M283-81#2365#2446
25.2M → Finish1891-73#2446#2519
TOTALS10051083-78
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing