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BOSTON MARATHON 2025

Sahin Olcer

Bib: 19609•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
Top 44%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:44
Rank: #16278
Start → 5K
24:44 | 7:58/mi
10K· 6.21 mi
49:19
Rank: #15974 (+304)
5K → 10K
24:35 | 7:55/mi
15K· 9.32 mi
1:14:15
Rank: #16055 (-81)
10K → 15K
24:56 | 8:02/mi
20K· 12.43 mi
1:39:08
Rank: #15747 (+308)
15K → 20K
24:53 | 8:01/mi
Half· 13.11 mi
1:44:32
Rank: #15726 (+21)
20K → Half
5:24 | 7:55/mi
25K· 15.53 mi
2:04:17
Rank: #15539 (+187)
Half → 25K
19:45 | 8:09/mi
30K· 18.64 mi
2:30:32
Rank: #15324 (+215)
25K → 30K
26:15 | 8:27/mi
20M
2:42:03
Rank: #15156 (+168)
30K → 20M
11:31 | 8:28/mi
21M
2:51:03
Rank: #14990 (+166)
20M → 21M
9:00 | 9:00/mi
35K· 21.75 mi
2:57:16
Rank: #14954 (+36)
21M → 35K
6:13 | 8:19/mi
23M
3:08:01
Rank: #14836 (+118)
35K → 23M
10:45 | 8:35/mi
24M
3:16:19
Rank: #14741 (+95)
23M → 24M
8:18 | 8:18/mi
40K· 24.85 mi
3:23:32
Rank: #14654 (+87)
24M → 40K
7:13 | 8:26/mi
25.2M
3:26:37
Rank: #14589 (+65)
40K → 25.2M
3:05 | 8:56/mi
Finish· 26.22 mi
3:34:37
Rank: #14458 (+131)
25.2M → Finish
8:00 | 7:51/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:32
Pace7:58 /mi
2nd Half
Distance13.11 mi
Time1:50:05
Pace8:24 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:4524:447:5824:44
7:58
-
10K
6.21 mi11:41:2049:197:5624:35
7:55
-0:03
15K
9.32 mi12:06:161:14:157:5824:56
8:02
+0:07
20K
12.43 mi12:31:091:39:087:5924:53
8:01
-0:01
Half
13.11 mi12:36:331:44:327:585:24
7:55
-0:06
25K
15.53 mi12:56:182:04:178:0019:45
8:09
+0:14
30K
18.64 mi13:22:332:30:328:0526:15
8:27
+0:18
20M
20.00 mi13:34:042:42:038:0611:31
8:28
+0:01
21M
21.00 mi13:43:042:51:038:099:00
9:00
+0:32
35K
21.75 mi13:49:172:57:168:096:13
8:19
-0:41
23M
23.00 mi14:00:023:08:018:1010:45
8:35
+0:16
24M
24.00 mi14:08:203:16:198:118:18
8:18
-0:17
40K
24.85 mi14:15:333:23:328:117:13
8:26
+0:08
25.2M
25.20 mi14:18:383:26:378:123:05
8:56
+0:30
Finish
26.22 mi14:26:383:34:378:118:00
7:51
-1:05

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

7:51 /mi

Average Pace

8:11 /mi

Slowest Pace

9:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:22:32

94% of race

Time at Steady Pace

12:05

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:11 /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 mi11:16:4524:447:5824:44
7:58
#16278
10K
6.21 mi11:41:2049:197:5624:35
7:55
#15974
15K
9.32 mi12:06:161:14:157:5824:56
8:02
#16055
20K
12.43 mi12:31:091:39:087:5924:53
8:01
#15747
Half
13.11 mi12:36:331:44:327:585:24
7:55
#15726
25K
15.53 mi12:56:182:04:178:0019:45
8:09
#15539
30K
18.64 mi13:22:332:30:328:0526:15
8:27
#15324
20M
20.00 mi13:34:042:42:038:0611:31
8:28
#15156
21M
21.00 mi13:43:042:51:038:099:00
9:00
#14990
35K
21.75 mi13:49:172:57:168:096:13
8:19
#14954
23M
23.00 mi14:00:023:08:018:1010:45
8:35
#14836
24M
24.00 mi14:08:203:16:198:118:18
8:18
#14741
40K
24.85 mi14:15:333:23:328:117:13
8:26
#14654
25.2M
25.20 mi14:18:383:26:378:123:05
8:56
#14589
Finish
26.22 mi14:26:383:34:378:118:00
7:51
#14458
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi16278109121091216218(Top 57%)10904(Top 68%)10904(Top 662%)
10K6.21 mi3.10 mi15974+30410808+10410808+10415737(Top 55%)10718(Top 67%)10718(Top 650%)
15K9.32 mi3.11 mi16055-8110835-2710835-2716218(Top 57%)10904(Top 68%)10904(Top 662%)
20K12.43 mi3.11 mi15747+30810690+14510690+14514996(Top 53%)10309(Top 64%)10309(Top 626%)
Half13.11 mi0.68 mi15726+2110679+1110679+1115153(Top 53%)10399(Top 65%)10399(Top 631%)
25K15.53 mi2.42 mi15539+18710580+9910580+9914929(Top 53%)10180(Top 63%)10180(Top 618%)
30K18.64 mi3.11 mi15324+21510441+13910441+13914436(Top 51%)9798(Top 61%)9798(Top 595%)
20M20.00 mi1.36 mi15156+16810321+12010321+12013610(Top 48%)9273(Top 58%)9273(Top 563%)
21M21.00 mi1.00 mi14990+16610233+8810233+8813482(Top 47%)9096(Top 56%)9096(Top 552%)
35K21.75 mi0.75 mi14954+3610201+3210201+3214276(Top 50%)9406(Top 58%)9406(Top 571%)
23M23.00 mi1.25 mi14836+11810120+8110120+8113830(Top 49%)9085(Top 56%)9085(Top 551%)
24M24.00 mi1.00 mi14741+9510043+7710043+7713251(Top 47%)8776(Top 54%)8776(Top 533%)
40K24.85 mi0.85 mi14654+879982+619982+6113027(Top 46%)8542(Top 53%)8542(Top 518%)
25.2M25.20 mi0.35 mi14589+659933+499933+4911453(Top 40%)7713(Top 48%)7713(Top 468%)
Finish26.22 mi1.02 mi14458+1319848+859848+8511810(Top 42%)7948(Top 49%)7948(Top 482%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21stories
+97ft-345ft

Overall

16218

Males

10904

M55-59

10904

5K→10K

3.1 - 6.2 mi

Top 55%
×5stories
+79ft-138ft

Overall

15737

Males

10718

M55-59

10718

10K→15K

6.2 - 9.3 mi

Top 57%
×3stories
+67ft-78ft

Overall

16218

Males

10904

M55-59

10904

15K→20K

9.3 - 12.4 mi

Top 53%
×5stories
+106ft-86ft

Overall

14996

Males

10309

M55-59

10309

20K→Half

12.4 - 13.1 mi

Top 53%
×2stories
+19ft-37ft

Overall

15153

Males

10399

M55-59

10399

Half→25K

13.1 - 15.5 mi

Top 53%
×4stories
+66ft-88ft

Overall

14929

Males

10180

M55-59

10180

25K→30K

15.5 - 18.6 mi

Top 51%
×9stories
+181ft-148ft

Overall

14436

Males

9798

M55-59

9798

30K→20M

18.6 - 20.0 mi

Top 48%
×5stories
+64ft-50ft

Overall

13610

Males

9273

M55-59

9273

20M→21M

20.0 - 21.0 mi

Top 47%
×8stories
+106ft-24ft

Overall

13482

Males

9096

M55-59

9096

21M→35K

21.0 - 21.8 mi

Top 50%
×7stories
+17ft-86ft

Overall

14276

Males

9406

M55-59

9406

35K→23M

21.8 - 23.0 mi

Top 49%
×5stories
+23ft-63ft

Overall

13830

Males

9085

M55-59

9085

23M→24M

23.0 - 24.0 mi

Top 47%
×6stories
+12ft-82ft

Overall

13251

Males

8776

M55-59

8776

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

13027

Males

8542

M55-59

8542

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

11453

Males

7713

M55-59

7713

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2stories
+22ft-21ft

Overall

11810

Males

7948

M55-59

7948

Passing Analysis

Category:
Athletes Passed
2785
Passed By
965
Net Change
+1820
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16278
5K → 10K488184+304#16278#15974
10K → 15K174255-81#15974#16055
15K → 20K36557+308#16055#15747
20K → Half4019+21#15747#15726
Half → 25K26578+187#15726#15539
25K → 30K345130+215#15539#15324
30K → 20M20638+168#15324#15156
20M → 21M19630+166#15156#14990
21M → 35K7640+36#14990#14954
35K → 23M17153+118#14954#14836
23M → 24M12227+95#14836#14741
24M → 40K11629+87#14741#14654
40K → 25.2M705+65#14654#14589
25.2M → Finish15120+131#14589#14458
TOTALS2785965+1820
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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