Boston Marathon logo
BOSTON MARATHON 2025

Bobak Walker

Bib: 7720•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 24%
Gender (Male)
#0 / 16105
Top 37%
Masters (Masters Men)
#0 / 10463
Top 24%
Division (M40-44)
#0 / 2247
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:08
Rank: #3692
Start → 5K
20:08 | 6:29/mi
10K· 6.21 mi
40:25
Rank: #3813 (-121)
5K → 10K
20:17 | 6:32/mi
15K· 9.32 mi
1:00:53
Rank: #3905 (-92)
10K → 15K
20:28 | 6:35/mi
20K· 12.43 mi
1:21:41
Rank: #3963 (-58)
15K → 20K
20:48 | 6:42/mi
Half· 13.11 mi
1:26:22
Rank: #4070 (-107)
20K → Half
4:41 | 6:52/mi
25K· 15.53 mi
1:42:56
Rank: #4189 (-119)
Half → 25K
16:34 | 6:50/mi
30K· 18.64 mi
2:05:09
Rank: #4424 (-235)
25K → 30K
22:13 | 7:09/mi
20M
2:15:04
Rank: #4546 (-122)
30K → 20M
9:55 | 7:18/mi
21M
2:22:57
Rank: #4661 (-115)
20M → 21M
7:53 | 7:53/mi
35K· 21.75 mi
2:28:27
Rank: #4763 (-102)
21M → 35K
5:30 | 7:21/mi
23M
2:38:36
Rank: #5165 (-402)
35K → 23M
10:09 | 8:06/mi
24M
2:47:11
Rank: #5489 (-324)
23M → 24M
8:35 | 8:35/mi
40K· 24.85 mi
2:55:43
Rank: #6002 (-513)
24M → 40K
8:32 | 9:59/mi
25.2M
2:59:32
Rank: #6243 (-241)
40K → 25.2M
3:49 | 11:04/mi
Finish· 26.22 mi
3:09:34
Rank: #6930 (-687)
25.2M → Finish
10:02 | 9:51/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
Time1:26:22
Pace6:35 /mi
2nd Half
Distance13.11 mi
Time1:43:12
Pace7:52 /mi
📊Positive Split: 19.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:2420:086:2920:08
6:29
-
10K
6.21 mi10:47:4140:256:3020:17
6:32
+0:03
15K
9.32 mi11:08:091:00:536:3220:28
6:35
+0:03
20K
12.43 mi11:28:571:21:416:3420:48
6:42
+0:07
Half
13.11 mi11:33:381:26:226:354:41
6:52
+0:10
25K
15.53 mi11:50:121:42:566:3816:34
6:50
-0:02
30K
18.64 mi12:12:252:05:096:4322:13
7:09
+0:19
20M
20.00 mi12:22:202:15:046:459:55
7:18
+0:09
21M
21.00 mi12:30:132:22:576:487:53
7:53
+0:35
35K
21.75 mi12:35:432:28:276:505:30
7:21
-0:32
23M
23.00 mi12:45:522:38:366:5410:09
8:06
+0:45
24M
24.00 mi12:54:272:47:116:588:35
8:35
+0:29
40K
24.85 mi13:02:592:55:437:048:32
9:59
+1:24
25.2M
25.20 mi13:06:482:59:327:073:49
11:04
+1:05
Finish
26.22 mi13:16:503:09:347:1410:02
9:51
-1:13

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

6:29 /mi

Average Pace

7:14 /mi

Slowest Pace

11:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:00:53

32% of race

Time at Steady Pace

1:27:34

46% of race

Time at Slower Pace

41:07

22% of race

Average Pace: 7:14 /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 mi10:27:2420:086:2920:08
6:29
#3692
10K
6.21 mi10:47:4140:256:3020:17
6:32
#3813
15K
9.32 mi11:08:091:00:536:3220:28
6:35
#3905
20K
12.43 mi11:28:571:21:416:3420:48
6:42
#3963
Half
13.11 mi11:33:381:26:226:354:41
6:52
#4070
25K
15.53 mi11:50:121:42:566:3816:34
6:50
#4189
30K
18.64 mi12:12:252:05:096:4322:13
7:09
#4424
20M
20.00 mi12:22:202:15:046:459:55
7:18
#4546
21M
21.00 mi12:30:132:22:576:487:53
7:53
#4661
35K
21.75 mi12:35:432:28:276:505:30
7:21
#4763
23M
23.00 mi12:45:522:38:366:5410:09
8:06
#5165
24M
24.00 mi12:54:272:47:116:588:35
8:35
#5489
40K
24.85 mi13:02:592:55:437:048:32
9:59
#6002
25.2M
25.20 mi13:06:482:59:327:073:49
11:04
#6243
Finish
26.22 mi13:16:503:09:347:1410:02
9:51
#6930
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3692349834984134(Top 15%)3889(Top 24%)3889(Top 173%)
10K6.21 mi3.10 mi3813-1213606-1083606-1083931(Top 14%)3702(Top 23%)3702(Top 165%)
15K9.32 mi3.11 mi3905-923683-773683-774134(Top 15%)3889(Top 24%)3889(Top 173%)
20K12.43 mi3.11 mi3963-583732-493732-494385(Top 15%)4099(Top 25%)4099(Top 182%)
Half13.11 mi0.68 mi4070-1073832-1003832-1006610(Top 23%)5906(Top 37%)5906(Top 263%)
25K15.53 mi2.42 mi4189-1193935-1033935-1035125(Top 18%)4700(Top 29%)4700(Top 209%)
30K18.64 mi3.11 mi4424-2354134-1994134-1995609(Top 20%)5021(Top 31%)5021(Top 223%)
20M20.00 mi1.36 mi4546-1224220-864220-865765(Top 20%)5026(Top 31%)5026(Top 224%)
21M21.00 mi1.00 mi4661-1154318-984318-986657(Top 23%)5468(Top 34%)5468(Top 243%)
35K21.75 mi0.75 mi4763-1024394-764394-767504(Top 26%)5981(Top 37%)5981(Top 266%)
23M23.00 mi1.25 mi5165-4024723-3294723-32910752(Top 38%)7604(Top 47%)7604(Top 338%)
24M24.00 mi1.00 mi5489-3244972-2494972-24915001(Top 53%)9570(Top 59%)9570(Top 426%)
40K24.85 mi0.85 mi6002-5135350-3785350-37820384(Top 72%)11969(Top 74%)11969(Top 533%)
25.2M25.20 mi0.35 mi6243-2415512-1625512-16220787(Top 73%)12163(Top 76%)12163(Top 541%)
Finish26.22 mi1.02 mi6930-6875948-4365948-43622419(Top 79%)12971(Top 81%)12971(Top 577%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21stories
+97ft-345ft

Overall

4134

Males

3889

M40-44

3889

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3931

Males

3702

M40-44

3702

10K→15K

6.2 - 9.3 mi

Top 15%
×3stories
+67ft-78ft

Overall

4134

Males

3889

M40-44

3889

15K→20K

9.3 - 12.4 mi

Top 15%
×5stories
+106ft-86ft

Overall

4385

Males

4099

M40-44

4099

20K→Half

12.4 - 13.1 mi

Top 23%
×2stories
+19ft-37ft

Overall

6610

Males

5906

M40-44

5906

Half→25K

13.1 - 15.5 mi

Top 18%
×4stories
+66ft-88ft

Overall

5125

Males

4700

M40-44

4700

25K→30K

15.5 - 18.6 mi

Top 20%
×9stories
+181ft-148ft

Overall

5609

Males

5021

M40-44

5021

30K→20M

18.6 - 20.0 mi

Top 20%
×5stories
+64ft-50ft

Overall

5765

Males

5026

M40-44

5026

20M→21M

20.0 - 21.0 mi

Top 23%
×8stories
+106ft-24ft

Overall

6657

Males

5468

M40-44

5468

21M→35K

21.0 - 21.8 mi

Top 26%
×7stories
+17ft-86ft

Overall

7504

Males

5981

M40-44

5981

35K→23M

21.8 - 23.0 mi

Top 38%
×5stories
+23ft-63ft

Overall

10752

Males

7604

M40-44

7604

23M→24M

23.0 - 24.0 mi

Top 53%
×6stories
+12ft-82ft

Overall

15001

Males

9570

M40-44

9570

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

20384

Males

11969

M40-44

11969

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

20787

Males

12163

M40-44

12163

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2stories
+22ft-21ft

Overall

22419

Males

12971

M40-44

12971

Passing Analysis

Category:
Athletes Passed
513
Passed By
3751
Net Change
-3238
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3692
5K → 10K90211-121#3692#3813
10K → 15K68160-92#3813#3905
15K → 20K72130-58#3905#3963
20K → Half1108-107#3963#4070
Half → 25K54173-119#4070#4189
25K → 30K77312-235#4189#4424
30K → 20M37159-122#4424#4546
20M → 21M43158-115#4546#4661
21M → 35K30132-102#4661#4763
35K → 23M23425-402#4763#5165
23M → 24M6330-324#5165#5489
24M → 40K7520-513#5489#6002
40K → 25.2M2243-241#6002#6243
25.2M → Finish3690-687#6243#6930
TOTALS5133751-3238
📊

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