Boston Marathon logo
BOSTON MARATHON 2025

Jack Walker

Bib: 2260•M

DC

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 5%
Gender (Male)
#0 / 16105
Top 8%
Division (M18-39)
#0 / 5642
Top 19%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:22
Rank: #2037
Start → 5K
19:22 | 6:14/mi
10K· 6.21 mi
38:36
Rank: #1937 (+100)
5K → 10K
19:14 | 6:11/mi
15K· 9.32 mi
57:35
Rank: #1755 (+182)
10K → 15K
18:59 | 6:07/mi
20K· 12.43 mi
1:16:28
Rank: #1542 (+213)
15K → 20K
18:53 | 6:05/mi
Half· 13.11 mi
1:20:35
Rank: #1521 (+21)
20K → Half
4:07 | 6:02/mi
25K· 15.53 mi
1:35:26
Rank: #1447 (+74)
Half → 25K
14:51 | 6:07/mi
30K· 18.64 mi
1:55:05
Rank: #1378 (+69)
25K → 30K
19:39 | 6:19/mi
20M
2:03:52
Rank: #1363 (+15)
30K → 20M
8:47 | 6:28/mi
21M
2:10:32
Rank: #1327 (+36)
20M → 21M
6:40 | 6:40/mi
35K· 21.75 mi
2:15:23
Rank: #1338 (-11)
21M → 35K
4:51 | 6:29/mi
23M
2:23:36
Rank: #1327 (+11)
35K → 23M
8:13 | 6:34/mi
24M
2:30:10
Rank: #1340 (-13)
23M → 24M
6:34 | 6:34/mi
40K· 24.85 mi
2:35:50
Rank: #1348 (-8)
24M → 40K
5:40 | 6:38/mi
25.2M
2:38:16
Rank: #1346 (+2)
40K → 25.2M
2:26 | 7:03/mi
Finish· 26.22 mi
2:44:34
Rank: #1326 (+20)
25.2M → Finish
6:18 | 6:11/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
Time1:20:35
Pace6:09 /mi
2nd Half
Distance13.11 mi
Time1:23:59
Pace6:24 /mi
📊Positive Split: 4.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:0619:226:1419:22
6:14
-
10K
6.21 mi10:39:2038:366:1319:14
6:11
-0:03
15K
9.32 mi10:58:1957:356:1118:59
6:07
-0:04
20K
12.43 mi11:17:121:16:286:0918:53
6:05
-0:02
Half
13.11 mi11:21:191:20:356:094:07
6:02
-0:03
25K
15.53 mi11:36:101:35:266:0914:51
6:07
+0:05
30K
18.64 mi11:55:491:55:056:1019:39
6:19
+0:12
20M
20.00 mi12:04:362:03:526:128:47
6:28
+0:09
21M
21.00 mi12:11:162:10:326:136:40
6:40
+0:12
35K
21.75 mi12:16:072:15:236:144:51
6:29
-0:11
23M
23.00 mi12:24:202:23:366:158:13
6:34
+0:05
24M
24.00 mi12:30:542:30:106:156:34
6:34
0:00
40K
24.85 mi12:36:342:35:506:165:40
6:38
+0:04
25.2M
25.20 mi12:39:002:38:166:172:26
7:03
+0:25
Finish
26.22 mi12:45:182:44:346:176:18
6:11
-0:52

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

6:02 /mi

Average Pace

6:17 /mi

Slowest Pace

7:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:35:28

94% of race

Time at Steady Pace

9:06

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:17 /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 mi10:20:0619:226:1419:22
6:14
#2037
10K
6.21 mi10:39:2038:366:1319:14
6:11
#1937
15K
9.32 mi10:58:1957:356:1118:59
6:07
#1755
20K
12.43 mi11:17:121:16:286:0918:53
6:05
#1542
Half
13.11 mi11:21:191:20:356:094:07
6:02
#1521
25K
15.53 mi11:36:101:35:266:0914:51
6:07
#1447
30K
18.64 mi11:55:491:55:056:1019:39
6:19
#1378
20M
20.00 mi12:04:362:03:526:128:47
6:28
#1363
21M
21.00 mi12:11:162:10:326:136:40
6:40
#1327
35K
21.75 mi12:16:072:15:236:144:51
6:29
#1338
23M
23.00 mi12:24:202:23:366:158:13
6:34
#1327
24M
24.00 mi12:30:542:30:106:156:34
6:34
#1340
40K
24.85 mi12:36:342:35:506:165:40
6:38
#1348
25.2M
25.20 mi12:39:002:38:166:172:26
7:03
#1346
Finish
26.22 mi12:45:182:44:346:176:18
6:11
#1326
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2037193919391431(Top 5%)1362(Top 8%)1362(Top 24%)
10K6.21 mi3.10 mi1937+1001845+941845+941854(Top 7%)1761(Top 11%)1761(Top 31%)
15K9.32 mi3.11 mi1755+1821669+1761669+1761431(Top 5%)1362(Top 8%)1362(Top 24%)
20K12.43 mi3.11 mi1542+2131464+2051464+2051093(Top 4%)1031(Top 6%)1031(Top 18%)
Half13.11 mi0.68 mi1521+211445+191445+191279(Top 5%)1213(Top 8%)1213(Top 21%)
25K15.53 mi2.42 mi1447+741374+711374+711185(Top 4%)1119(Top 7%)1119(Top 20%)
30K18.64 mi3.11 mi1378+691302+721302+721283(Top 5%)1211(Top 8%)1211(Top 21%)
20M20.00 mi1.36 mi1363+151287+151287+151479(Top 5%)1397(Top 9%)1397(Top 25%)
21M21.00 mi1.00 mi1327+361253+341253+341105(Top 4%)1044(Top 6%)1044(Top 19%)
35K21.75 mi0.75 mi1338-111262-91262-92345(Top 8%)2188(Top 14%)2188(Top 39%)
23M23.00 mi1.25 mi1327+111250+121250+121670(Top 6%)1559(Top 10%)1559(Top 28%)
24M24.00 mi1.00 mi1340-131262-121262-122303(Top 8%)2128(Top 13%)2128(Top 38%)
40K24.85 mi0.85 mi1348-81270-81270-82043(Top 7%)1881(Top 12%)1881(Top 33%)
25.2M25.20 mi0.35 mi1346+21269+11269+11614(Top 6%)1471(Top 9%)1471(Top 26%)
Finish26.22 mi1.02 mi1326+201248+211248+211460(Top 5%)1358(Top 8%)1358(Top 24%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1431

Males

1362

M18-39

1362

5K→10K

3.1 - 6.2 mi

Top 7%
×5stories
+79ft-138ft

Overall

1854

Males

1761

M18-39

1761

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1431

Males

1362

M18-39

1362

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

1093

Males

1031

M18-39

1031

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1279

Males

1213

M18-39

1213

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

1185

Males

1119

M18-39

1119

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1283

Males

1211

M18-39

1211

30K→20M

18.6 - 20.0 mi

Top 5%
×5stories
+64ft-50ft

Overall

1479

Males

1397

M18-39

1397

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

1105

Males

1044

M18-39

1044

21M→35K

21.0 - 21.8 mi

Top 8%
×7stories
+17ft-86ft

Overall

2345

Males

2188

M18-39

2188

35K→23M

21.8 - 23.0 mi

Top 6%
×5stories
+23ft-63ft

Overall

1670

Males

1559

M18-39

1559

23M→24M

23.0 - 24.0 mi

Top 8%
×6stories
+12ft-82ft

Overall

2303

Males

2128

M18-39

2128

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

2043

Males

1881

M18-39

1881

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1614

Males

1471

M18-39

1471

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1460

Males

1358

M18-39

1358

Passing Analysis

Category:
Athletes Passed
969
Passed By
258
Net Change
+711
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2037
5K → 10K16868+100#2037#1937
10K → 15K1853+182#1937#1755
15K → 20K2130+213#1755#1542
20K → Half221+21#1542#1521
Half → 25K817+74#1521#1447
25K → 30K9122+69#1447#1378
30K → 20M3823+15#1378#1363
20M → 21M448+36#1363#1327
21M → 35K1223-11#1327#1338
35K → 23M4029+11#1338#1327
23M → 24M2235-13#1327#1340
24M → 40K1220-8#1340#1348
40K → 25.2M108+2#1348#1346
25.2M → Finish3111+20#1346#1326
TOTALS969258+711
📊

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