Boston Marathon logo
BOSTON MARATHON 2025

Tom Krieger

Bib: 5930•M

VA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 20%
Gender (Male)
#0 / 16105
Top 32%
Masters (Masters Men)
#0 / 10463
Top 18%
Division (M40-44)
#0 / 2247
Top 43%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:57
Rank: #8324
Start → 5K
21:57 | 7:04/mi
10K· 6.21 mi
43:48
Rank: #8240 (+84)
5K → 10K
21:51 | 7:02/mi
15K· 9.32 mi
1:05:30
Rank: #7952 (+288)
10K → 15K
21:42 | 6:59/mi
20K· 12.43 mi
1:27:06
Rank: #7555 (+397)
15K → 20K
21:36 | 6:57/mi
Half· 13.11 mi
1:31:48
Rank: #7508 (+47)
20K → Half
4:42 | 6:53/mi
25K· 15.53 mi
1:48:30
Rank: #7161 (+347)
Half → 25K
16:42 | 6:53/mi
30K· 18.64 mi
2:10:07
Rank: #6533 (+628)
25K → 30K
21:37 | 6:57/mi
20M
2:19:35
Rank: #6252 (+281)
30K → 20M
9:28 | 6:58/mi
21M
2:27:01
Rank: #6101 (+151)
20M → 21M
7:26 | 7:26/mi
35K· 21.75 mi
2:32:16
Rank: #6043 (+58)
21M → 35K
5:15 | 7:01/mi
23M
2:41:21
Rank: #5898 (+145)
35K → 23M
9:05 | 7:15/mi
24M
2:48:39
Rank: #5859 (+39)
23M → 24M
7:18 | 7:18/mi
40K· 24.85 mi
2:55:05
Rank: #5853 (+6)
24M → 40K
6:26 | 7:31/mi
25.2M
2:57:51
Rank: #5824 (+29)
40K → 25.2M
2:46 | 8:01/mi
Finish· 26.22 mi
3:05:15
Rank: #5804 (+20)
25.2M → Finish
7:24 | 7:16/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
Time1:31:48
Pace7:00 /mi
2nd Half
Distance13.11 mi
Time1:33:27
Pace7:08 /mi
📊Positive Split: 1.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:28:2821:577:0421:57
7:04
-
10K
6.21 mi10:50:1943:487:0321:51
7:02
-0:02
15K
9.32 mi11:12:011:05:307:0221:42
6:59
-0:03
20K
12.43 mi11:33:371:27:067:0121:36
6:57
-0:02
Half
13.11 mi11:38:191:31:487:004:42
6:53
-0:04
25K
15.53 mi11:55:011:48:306:5916:42
6:53
0:00
30K
18.64 mi12:16:382:10:076:5921:37
6:57
+0:04
20M
20.00 mi12:26:062:19:356:599:28
6:58
+0:01
21M
21.00 mi12:33:322:27:017:007:26
7:26
+0:28
35K
21.75 mi12:38:472:32:167:005:15
7:01
-0:25
23M
23.00 mi12:47:522:41:217:019:05
7:15
+0:14
24M
24.00 mi12:55:102:48:397:027:18
7:18
+0:03
40K
24.85 mi13:01:362:55:057:036:26
7:31
+0:13
25.2M
25.20 mi13:04:222:57:517:032:46
8:01
+0:30
Finish
26.22 mi13:11:463:05:157:047:24
7:16
-0:45

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

6:53 /mi

Average Pace

7:04 /mi

Slowest Pace

8:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:02:29

99% of race

Time at Steady Pace

2:46

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:04 /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 mi10:28:2821:577:0421:57
7:04
#8324
10K
6.21 mi10:50:1943:487:0321:51
7:02
#8240
15K
9.32 mi11:12:011:05:307:0221:42
6:59
#7952
20K
12.43 mi11:33:371:27:067:0121:36
6:57
#7555
Half
13.11 mi11:38:191:31:487:004:42
6:53
#7508
25K
15.53 mi11:55:011:48:306:5916:42
6:53
#7161
30K
18.64 mi12:16:382:10:076:5921:37
6:57
#6533
20M
20.00 mi12:26:062:19:356:599:28
6:58
#6252
21M
21.00 mi12:33:322:27:017:007:26
7:26
#6101
35K
21.75 mi12:38:472:32:167:005:15
7:01
#6043
23M
23.00 mi12:47:522:41:217:019:05
7:15
#5898
24M
24.00 mi12:55:102:48:397:027:18
7:18
#5859
40K
24.85 mi13:01:362:55:057:036:26
7:31
#5853
25.2M
25.20 mi13:04:222:57:517:032:46
8:01
#5824
Finish
26.22 mi13:11:463:05:157:047:24
7:16
#5804
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi8324719571957502(Top 26%)6611(Top 41%)6611(Top 294%)
10K6.21 mi3.10 mi8240+847131+647131+648141(Top 29%)7054(Top 44%)7054(Top 314%)
15K9.32 mi3.11 mi7952+2886947+1846947+1847502(Top 26%)6611(Top 41%)6611(Top 294%)
20K12.43 mi3.11 mi7555+3976670+2776670+2776579(Top 23%)5885(Top 37%)5885(Top 262%)
Half13.11 mi0.68 mi7508+476634+366634+366746(Top 24%)6011(Top 37%)6011(Top 268%)
25K15.53 mi2.42 mi7161+3476368+2666368+2665550(Top 20%)5027(Top 31%)5027(Top 224%)
30K18.64 mi3.11 mi6533+6285860+5085860+5084434(Top 16%)4057(Top 25%)4057(Top 181%)
20M20.00 mi1.36 mi6252+2815621+2395621+2393898(Top 14%)3581(Top 22%)3581(Top 159%)
21M21.00 mi1.00 mi6101+1515482+1395482+1394278(Top 15%)3836(Top 24%)3836(Top 171%)
35K21.75 mi0.75 mi6043+585425+575425+575421(Top 19%)4661(Top 29%)4661(Top 207%)
23M23.00 mi1.25 mi5898+1455302+1235302+1235189(Top 18%)4440(Top 28%)4440(Top 198%)
24M24.00 mi1.00 mi5859+395252+505252+506387(Top 22%)5142(Top 32%)5142(Top 229%)
40K24.85 mi0.85 mi5853+65235+175235+176899(Top 24%)5354(Top 33%)5354(Top 238%)
25.2M25.20 mi0.35 mi5824+295206+295206+295986(Top 21%)4712(Top 29%)4712(Top 210%)
Finish26.22 mi1.02 mi5804+205171+355171+357441(Top 26%)5574(Top 35%)5574(Top 248%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21stories
+97ft-345ft

Overall

7502

Males

6611

M40-44

6611

5K→10K

3.1 - 6.2 mi

Top 29%
×5stories
+79ft-138ft

Overall

8141

Males

7054

M40-44

7054

10K→15K

6.2 - 9.3 mi

Top 26%
×3stories
+67ft-78ft

Overall

7502

Males

6611

M40-44

6611

15K→20K

9.3 - 12.4 mi

Top 23%
×5stories
+106ft-86ft

Overall

6579

Males

5885

M40-44

5885

20K→Half

12.4 - 13.1 mi

Top 24%
×2stories
+19ft-37ft

Overall

6746

Males

6011

M40-44

6011

Half→25K

13.1 - 15.5 mi

Top 20%
×4stories
+66ft-88ft

Overall

5550

Males

5027

M40-44

5027

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4434

Males

4057

M40-44

4057

30K→20M

18.6 - 20.0 mi

Top 14%
×5stories
+64ft-50ft

Overall

3898

Males

3581

M40-44

3581

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

4278

Males

3836

M40-44

3836

21M→35K

21.0 - 21.8 mi

Top 19%
×7stories
+17ft-86ft

Overall

5421

Males

4661

M40-44

4661

35K→23M

21.8 - 23.0 mi

Top 18%
×5stories
+23ft-63ft

Overall

5189

Males

4440

M40-44

4440

23M→24M

23.0 - 24.0 mi

Top 22%
×6stories
+12ft-82ft

Overall

6387

Males

5142

M40-44

5142

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6899

Males

5354

M40-44

5354

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5986

Males

4712

M40-44

4712

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2stories
+22ft-21ft

Overall

7441

Males

5574

M40-44

5574

Passing Analysis

Category:
Athletes Passed
2937
Passed By
417
Net Change
+2520
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8324
5K → 10K263179+84#8324#8240
10K → 15K32436+288#8240#7952
15K → 20K4047+397#7952#7555
20K → Half536+47#7555#7508
Half → 25K3492+347#7508#7161
25K → 30K6324+628#7161#6533
30K → 20M2810+281#6533#6252
20M → 21M16110+151#6252#6101
21M → 35K7012+58#6101#6043
35K → 23M15813+145#6043#5898
23M → 24M7233+39#5898#5859
24M → 40K6054+6#5859#5853
40K → 25.2M4415+29#5853#5824
25.2M → Finish6646+20#5824#5804
TOTALS2937417+2520
📊

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