Boston Marathon logo
BOSTON MARATHON 2025

Thomas Poelsler

Bib: 2390•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 9%
Gender (Male)
#0 / 16105
Top 15%
Masters (Masters Men)
#0 / 10463
Top 4%
Division (M40-44)
#0 / 2247
Top 13%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:05
Rank: #1582
Start → 5K
19:05 | 6:09/mi
10K· 6.21 mi
38:32
Rank: #1886 (-304)
5K → 10K
19:27 | 6:16/mi
15K· 9.32 mi
58:08
Rank: #2035 (-149)
10K → 15K
19:36 | 6:19/mi
20K· 12.43 mi
1:17:55
Rank: #2108 (-73)
15K → 20K
19:47 | 6:22/mi
Half· 13.11 mi
1:22:06
Rank: #2078 (+30)
20K → Half
4:11 | 6:08/mi
25K· 15.53 mi
1:37:26
Rank: #2050 (+28)
Half → 25K
15:20 | 6:19/mi
30K· 18.64 mi
1:57:56
Rank: #2076 (-26)
25K → 30K
20:30 | 6:36/mi
20M
2:07:08
Rank: #2106 (-30)
30K → 20M
9:12 | 6:46/mi
21M
2:14:30
Rank: #2184 (-78)
20M → 21M
7:22 | 7:22/mi
35K· 21.75 mi
2:19:32
Rank: #2208 (-24)
21M → 35K
5:02 | 6:44/mi
23M
2:28:18
Rank: #2248 (-40)
35K → 23M
8:46 | 7:00/mi
24M
2:35:17
Rank: #2321 (-73)
23M → 24M
6:59 | 6:59/mi
40K· 24.85 mi
2:41:28
Rank: #2391 (-70)
24M → 40K
6:11 | 7:14/mi
25.2M
2:44:14
Rank: #2433 (-42)
40K → 25.2M
2:46 | 8:01/mi
Finish· 26.22 mi
2:51:41
Rank: #2568 (-135)
25.2M → Finish
7:27 | 7:19/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
Time1:22:06
Pace6:16 /mi
2nd Half
Distance13.11 mi
Time1:29:35
Pace6:50 /mi
📊Positive Split: 9.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:4319:056:0919:05
6:09
-
10K
6.21 mi10:40:1038:326:1219:27
6:16
+0:07
15K
9.32 mi10:59:4658:086:1419:36
6:19
+0:03
20K
12.43 mi11:19:331:17:556:1619:47
6:22
+0:03
Half
13.11 mi11:23:441:22:066:164:11
6:08
-0:14
25K
15.53 mi11:39:041:37:266:1615:20
6:19
+0:11
30K
18.64 mi11:59:341:57:566:2020:30
6:36
+0:17
20M
20.00 mi12:08:462:07:086:219:12
6:46
+0:10
21M
21.00 mi12:16:082:14:306:247:22
7:22
+0:36
35K
21.75 mi12:21:102:19:326:255:02
6:44
-0:38
23M
23.00 mi12:29:562:28:186:278:46
7:00
+0:16
24M
24.00 mi12:36:552:35:176:286:59
6:59
-0:01
40K
24.85 mi12:43:062:41:286:306:11
7:14
+0:15
25.2M
25.20 mi12:45:522:44:146:312:46
8:01
+0:47
Finish
26.22 mi12:53:192:51:416:337:27
7:19
-0:42

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

6:08 /mi

Average Pace

6:33 /mi

Slowest Pace

8:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:37:26

57% of race

Time at Steady Pace

41:43

24% of race

Time at Slower Pace

32:32

19% of race

Average Pace: 6:33 /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 mi10:20:4319:056:0919:05
6:09
#1582
10K
6.21 mi10:40:1038:326:1219:27
6:16
#1886
15K
9.32 mi10:59:4658:086:1419:36
6:19
#2035
20K
12.43 mi11:19:331:17:556:1619:47
6:22
#2108
Half
13.11 mi11:23:441:22:066:164:11
6:08
#2078
25K
15.53 mi11:39:041:37:266:1615:20
6:19
#2050
30K
18.64 mi11:59:341:57:566:2020:30
6:36
#2076
20M
20.00 mi12:08:462:07:086:219:12
6:46
#2106
21M
21.00 mi12:16:082:14:306:247:22
7:22
#2184
35K
21.75 mi12:21:102:19:326:255:02
6:44
#2208
23M
23.00 mi12:29:562:28:186:278:46
7:00
#2248
24M
24.00 mi12:36:552:35:176:286:59
6:59
#2321
40K
24.85 mi12:43:062:41:286:306:11
7:14
#2391
25.2M
25.20 mi12:45:522:44:146:312:46
8:01
#2433
Finish
26.22 mi12:53:192:51:416:337:27
7:19
#2568
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi1582150715072390(Top 8%)2280(Top 14%)2280(Top 101%)
10K6.21 mi3.10 mi1886-3041795-2881795-2882194(Top 8%)2097(Top 13%)2097(Top 93%)
15K9.32 mi3.11 mi2035-1491939-1441939-1442390(Top 8%)2280(Top 14%)2280(Top 101%)
20K12.43 mi3.11 mi2108-732012-732012-732365(Top 8%)2255(Top 14%)2255(Top 100%)
Half13.11 mi0.68 mi2078+301983+291983+291705(Top 6%)1624(Top 10%)1624(Top 72%)
25K15.53 mi2.42 mi2050+281955+281955+282000(Top 7%)1904(Top 12%)1904(Top 85%)
30K18.64 mi3.11 mi2076-261980-251980-252409(Top 8%)2281(Top 14%)2281(Top 102%)
20M20.00 mi1.36 mi2106-302004-242004-242786(Top 10%)2611(Top 16%)2611(Top 116%)
21M21.00 mi1.00 mi2184-782083-792083-793951(Top 14%)3586(Top 22%)3586(Top 160%)
35K21.75 mi0.75 mi2208-242107-242107-243686(Top 13%)3333(Top 21%)3333(Top 148%)
23M23.00 mi1.25 mi2248-402140-332140-333772(Top 13%)3395(Top 21%)3395(Top 151%)
24M24.00 mi1.00 mi2321-732209-692209-694542(Top 16%)3935(Top 24%)3935(Top 175%)
40K24.85 mi0.85 mi2391-702272-632272-635211(Top 18%)4352(Top 27%)4352(Top 194%)
25.2M25.20 mi0.35 mi2433-422307-352307-356022(Top 21%)4748(Top 29%)4748(Top 211%)
Finish26.22 mi1.02 mi2568-1352433-1262433-1267820(Top 28%)5798(Top 36%)5798(Top 258%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21stories
+97ft-345ft

Overall

2390

Males

2280

M40-44

2280

5K→10K

3.1 - 6.2 mi

Top 8%
×5stories
+79ft-138ft

Overall

2194

Males

2097

M40-44

2097

10K→15K

6.2 - 9.3 mi

Top 8%
×3stories
+67ft-78ft

Overall

2390

Males

2280

M40-44

2280

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2365

Males

2255

M40-44

2255

20K→Half

12.4 - 13.1 mi

Top 6%
×2stories
+19ft-37ft

Overall

1705

Males

1624

M40-44

1624

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

2000

Males

1904

M40-44

1904

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2409

Males

2281

M40-44

2281

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2786

Males

2611

M40-44

2611

20M→21M

20.0 - 21.0 mi

Top 14%
×8stories
+106ft-24ft

Overall

3951

Males

3586

M40-44

3586

21M→35K

21.0 - 21.8 mi

Top 13%
×7stories
+17ft-86ft

Overall

3686

Males

3333

M40-44

3333

35K→23M

21.8 - 23.0 mi

Top 13%
×5stories
+23ft-63ft

Overall

3772

Males

3395

M40-44

3395

23M→24M

23.0 - 24.0 mi

Top 16%
×6stories
+12ft-82ft

Overall

4542

Males

3935

M40-44

3935

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

5211

Males

4352

M40-44

4352

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

6022

Males

4748

M40-44

4748

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2stories
+22ft-21ft

Overall

7820

Males

5798

M40-44

5798

Passing Analysis

Category:
Athletes Passed
402
Passed By
1388
Net Change
-986
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1582
5K → 10K21325-304#1582#1886
10K → 15K25174-149#1886#2035
15K → 20K47120-73#2035#2108
20K → Half322+30#2108#2078
Half → 25K6234+28#2078#2050
25K → 30K5884-26#2050#2076
30K → 20M3363-30#2076#2106
20M → 21M25103-78#2106#2184
21M → 35K1236-24#2184#2208
35K → 23M3373-40#2208#2248
23M → 24M1992-73#2248#2321
24M → 40K1989-70#2321#2391
40K → 25.2M648-42#2391#2433
25.2M → Finish10145-135#2433#2568
TOTALS4021388-986
📊

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