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BOSTON MARATHON 2025

Gerold Koller

Bib: 8765•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 39%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 41%
Division (M45-49)
#0 / 2386
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:00
Rank: #6004
Start → 5K
21:00 | 6:46/mi
10K· 6.21 mi
41:55
Rank: #5800 (+204)
5K → 10K
20:55 | 6:44/mi
15K· 9.32 mi
1:03:24
Rank: #6237 (-437)
10K → 15K
21:29 | 6:55/mi
20K· 12.43 mi
1:25:51
Rank: #6884 (-647)
15K → 20K
22:27 | 7:14/mi
Half· 13.11 mi
1:30:34
Rank: #6900 (-16)
20K → Half
4:43 | 6:55/mi
25K· 15.53 mi
1:49:16
Rank: #7475 (-575)
Half → 25K
18:42 | 7:43/mi
30K· 18.64 mi
2:14:47
Rank: #8260 (-785)
25K → 30K
25:31 | 8:13/mi
20M
2:27:01
Rank: #8961 (-701)
30K → 20M
12:14 | 9:00/mi
21M
2:36:54
Rank: #9568 (-607)
20M → 21M
9:53 | 9:53/mi
35K· 21.75 mi
2:43:31
Rank: #9903 (-335)
21M → 35K
6:37 | 8:51/mi
23M
2:54:43
Rank: #10316 (-413)
35K → 23M
11:12 | 8:57/mi
24M
3:03:14
Rank: #10504 (-188)
23M → 24M
8:31 | 8:31/mi
40K· 24.85 mi
3:10:33
Rank: #10611 (-107)
24M → 40K
7:19 | 8:33/mi
25.2M
3:14:00
Rank: #10720 (-109)
40K → 25.2M
3:27 | 10:00/mi
Finish· 26.22 mi
3:22:56
Rank: #11007 (-287)
25.2M → Finish
8:56 | 8:46/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:34
Pace6:55 /mi
2nd Half
Distance13.11 mi
Time1:52:22
Pace8:34 /mi
📊Positive Split: 24.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:1821:006:4621:00
6:46
-
10K
6.21 mi11:07:1341:556:4520:55
6:44
-0:02
15K
9.32 mi11:28:421:03:246:4821:29
6:55
+0:11
20K
12.43 mi11:51:091:25:516:5422:27
7:14
+0:19
Half
13.11 mi11:55:521:30:346:554:43
6:55
-0:19
25K
15.53 mi12:14:341:49:167:0218:42
7:43
+0:48
30K
18.64 mi12:40:052:14:477:1425:31
8:13
+0:30
20M
20.00 mi12:52:192:27:017:2112:14
9:00
+0:47
21M
21.00 mi13:02:122:36:547:289:53
9:53
+0:53
35K
21.75 mi13:08:492:43:317:316:37
8:51
-1:02
23M
23.00 mi13:20:012:54:437:3611:12
8:57
+0:06
24M
24.00 mi13:28:323:03:147:388:31
8:31
-0:26
40K
24.85 mi13:35:513:10:337:407:19
8:33
+0:02
25.2M
25.20 mi13:39:183:14:007:423:27
10:00
+1:27
Finish
26.22 mi13:48:143:22:567:458:56
8:46
-1:14

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

6:44 /mi

Average Pace

7:45 /mi

Slowest Pace

10:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:16

54% of race

Time at Steady Pace

1:20:20

40% of race

Time at Slower Pace

13:20

7% of race

Average Pace: 7:44 /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 mi10:46:1821:006:4621:00
6:46
#6004
10K
6.21 mi11:07:1341:556:4520:55
6:44
#5800
15K
9.32 mi11:28:421:03:246:4821:29
6:55
#6237
20K
12.43 mi11:51:091:25:516:5422:27
7:14
#6884
Half
13.11 mi11:55:521:30:346:554:43
6:55
#6900
25K
15.53 mi12:14:341:49:167:0218:42
7:43
#7475
30K
18.64 mi12:40:052:14:477:1425:31
8:13
#8260
20M
20.00 mi12:52:192:27:017:2112:14
9:00
#8961
21M
21.00 mi13:02:122:36:547:289:53
9:53
#9568
35K
21.75 mi13:08:492:43:317:316:37
8:51
#9903
23M
23.00 mi13:20:012:54:437:3611:12
8:57
#10316
24M
24.00 mi13:28:323:03:147:388:31
8:31
#10504
40K
24.85 mi13:35:513:10:337:407:19
8:33
#10611
25.2M
25.20 mi13:39:183:14:007:423:27
10:00
#10720
Finish
26.22 mi13:48:143:22:567:458:56
8:46
#11007
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi6004552355237064(Top 25%)6299(Top 39%)6299(Top 264%)
10K6.21 mi3.10 mi5800+2045346+1775346+1775658(Top 20%)5198(Top 32%)5198(Top 218%)
15K9.32 mi3.11 mi6237-4375704-3585704-3587064(Top 25%)6299(Top 39%)6299(Top 264%)
20K12.43 mi3.11 mi6884-6476194-4906194-4908417(Top 30%)7121(Top 44%)7121(Top 298%)
Half13.11 mi0.68 mi6900-166200-66200-67024(Top 25%)6244(Top 39%)6244(Top 262%)
25K15.53 mi2.42 mi7475-5756593-3936593-39311624(Top 41%)8669(Top 54%)8669(Top 363%)
30K18.64 mi3.11 mi8260-7857037-4447037-44412914(Top 45%)9091(Top 56%)9091(Top 381%)
20M20.00 mi1.36 mi8961-7017415-3787415-37816777(Top 59%)10709(Top 66%)10709(Top 449%)
21M21.00 mi1.00 mi9568-6077717-3027717-30217810(Top 63%)11059(Top 69%)11059(Top 463%)
35K21.75 mi0.75 mi9903-3357867-1507867-15017427(Top 61%)10777(Top 67%)10777(Top 452%)
23M23.00 mi1.25 mi10316-4138019-1528019-15215917(Top 56%)10029(Top 62%)10029(Top 420%)
24M24.00 mi1.00 mi10504-1888091-728091-7214579(Top 51%)9392(Top 58%)9392(Top 394%)
40K24.85 mi0.85 mi10611-1078110-198110-1913752(Top 48%)8877(Top 55%)8877(Top 372%)
25.2M25.20 mi0.35 mi10720-1098147-378147-3716965(Top 60%)10330(Top 64%)10330(Top 433%)
Finish26.22 mi1.02 mi11007-2878233-868233-8617835(Top 63%)10783(Top 67%)10783(Top 452%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21stories
+97ft-345ft

Overall

7064

Males

6299

M45-49

6299

5K→10K

3.1 - 6.2 mi

Top 20%
×5stories
+79ft-138ft

Overall

5658

Males

5198

M45-49

5198

10K→15K

6.2 - 9.3 mi

Top 25%
×3stories
+67ft-78ft

Overall

7064

Males

6299

M45-49

6299

15K→20K

9.3 - 12.4 mi

Top 30%
×5stories
+106ft-86ft

Overall

8417

Males

7121

M45-49

7121

20K→Half

12.4 - 13.1 mi

Top 25%
×2stories
+19ft-37ft

Overall

7024

Males

6244

M45-49

6244

Half→25K

13.1 - 15.5 mi

Top 41%
×4stories
+66ft-88ft

Overall

11624

Males

8669

M45-49

8669

25K→30K

15.5 - 18.6 mi

Top 45%
×9stories
+181ft-148ft

Overall

12914

Males

9091

M45-49

9091

30K→20M

18.6 - 20.0 mi

Top 59%
×5stories
+64ft-50ft

Overall

16777

Males

10709

M45-49

10709

20M→21M

20.0 - 21.0 mi

Top 63%
×8stories
+106ft-24ft

Overall

17810

Males

11059

M45-49

11059

21M→35K

21.0 - 21.8 mi

Top 61%
×7stories
+17ft-86ft

Overall

17427

Males

10777

M45-49

10777

35K→23M

21.8 - 23.0 mi

Top 56%
×5stories
+23ft-63ft

Overall

15917

Males

10029

M45-49

10029

23M→24M

23.0 - 24.0 mi

Top 51%
×6stories
+12ft-82ft

Overall

14579

Males

9392

M45-49

9392

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

13752

Males

8877

M45-49

8877

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

16965

Males

10330

M45-49

10330

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2stories
+22ft-21ft

Overall

17835

Males

10783

M45-49

10783

Passing Analysis

Category:
Athletes Passed
659
Passed By
5659
Net Change
-5003
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6004
5K → 10K29288+204#6004#5800
10K → 15K55492-437#5800#6237
15K → 20K25672-647#6237#6884
20K → Half2440-16#6884#6900
Half → 25K25600-575#6900#7475
25K → 30K52837-785#7475#8260
30K → 20M14715-701#8260#8961
20M → 21M17624-607#8961#9568
21M → 35K17351-335#9568#9903
35K → 23M35446-413#9903#10316
23M → 24M32220-188#10316#10504
24M → 40K36143-107#10504#10611
40K → 25.2M12121-109#10611#10720
25.2M → Finish23310-287#10720#11007
TOTALS6595659-5003
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing