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BOSTON MARATHON 2025

Koby Reynolds

Bib: 11479•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 37%
Gender (Male)
#0 / 16105
Top 50%
Masters (Masters Men)
#0 / 10463
Top 39%
Division (M45-49)
#0 / 2386
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:05/mi
21:59
↑ 97↓ 3451.5%
10K· 6.21 mi
7:00/mi
43:45
↑ 79↓ 1380.4%
15K· 9.32 mi
7:25/mi
1:06:47
↑ 67↓ 78
20K· 12.43 mi
7:04/mi
1:28:45
↑ 106↓ 860.1%
Half· 13.11 mi
6:59/mi
1:33:31
↑ 19↓ 370.5%
25K· 15.53 mi
7:16/mi
1:51:07
↑ 66↓ 880.2%
30K· 18.64 mi
7:41/mi
2:14:58
↑ 181↓ 1480.2%
20M
8:13/mi
2:26:08
↑ 64↓ 500.2%
21M
10:58/mi
2:37:06
↑ 106↓ 241.6%
35K· 21.75 mi
8:55/mi
2:43:46
↑ 17↓ 861.7%
23M
8:06/mi
2:53:54
↑ 23↓ 630.6%
24M
8:40/mi
3:02:34
↓ 821.3%
40K· 24.85 mi
8:31/mi
3:09:51
↓ 200.3%
25.2M
9:11/mi
3:13:01
↑ 13↓ 160.2%
Finish· 26.22 mi
8:12/mi
3:21:22
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:31
Pace7:08 /mi
2nd Half
Distance13.11 mi
Time1:47:51
Pace8:14 /mi
📊Positive Split: 15.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:3821:597:0521:59
7:05
-
10K
6.21 mi11:11:2443:457:0221:46
7:00
-0:05
15K
9.32 mi11:34:261:06:477:1023:02
7:25
+0:25
20K
12.43 mi11:56:241:28:457:0821:58
7:04
-0:21
Half
13.11 mi12:01:101:33:317:084:46
6:59
-0:05
25K
15.53 mi12:18:461:51:077:0917:36
7:16
+0:17
30K
18.64 mi12:42:372:14:587:1423:51
7:41
+0:25
20M
20.00 mi12:53:472:26:087:1811:10
8:13
+0:32
21M
21.00 mi13:04:452:37:067:2910:58
10:58
+2:45
35K
21.75 mi13:11:252:43:467:326:40
8:55
-2:03
23M
23.00 mi13:21:332:53:547:3410:08
8:06
-0:49
24M
24.00 mi13:30:133:02:347:368:40
8:40
+0:34
40K
24.85 mi13:37:303:09:517:387:17
8:31
-0:09
25.2M
25.20 mi13:40:403:13:017:403:10
9:11
+0:40
Finish
26.22 mi13:49:013:21:227:418:21
8:12
-0:59

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

6:59 /mi

Average Pace

7:41 /mi

Slowest Pace

10:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:51:07

55% of race

Time at Steady Pace

1:00:47

30% of race

Time at Slower Pace

29:28

15% of race

Average Pace: 7:41 /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 mi10:49:3821:597:0521:59
7:05
#8425
10K
6.21 mi11:11:2443:457:0221:46
7:00
#8173
15K
9.32 mi11:34:261:06:477:1023:02
7:25
#9026
20K
12.43 mi11:56:241:28:457:0821:58
7:04
#8473
Half
13.11 mi12:01:101:33:317:084:46
6:59
#8410
25K
15.53 mi12:18:461:51:077:0917:36
7:16
#8313
30K
18.64 mi12:42:372:14:587:1423:51
7:41
#8345
20M
20.00 mi12:53:472:26:087:1811:10
8:13
#8582
21M
21.00 mi13:04:452:37:067:2910:58
10:58
#9648
35K
21.75 mi13:11:252:43:467:326:40
8:55
#10000
23M
23.00 mi13:21:332:53:547:3410:08
8:06
#10019
24M
24.00 mi13:30:133:02:347:368:40
8:40
#10283
40K
24.85 mi13:37:303:09:517:387:17
8:31
#10390
25.2M
25.20 mi13:40:403:13:017:403:10
9:11
#10418
Finish
26.22 mi13:49:013:21:227:418:21
8:12
#10546
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi84257266726610986(Top 39%)8589(Top 53%)8589(Top 360%)
10K6.21 mi3.10 mi8173+2527097+1697097+1697951(Top 28%)6947(Top 43%)6947(Top 291%)
15K9.32 mi3.11 mi9026-8537598-5017598-50110986(Top 39%)8589(Top 53%)8589(Top 360%)
20K12.43 mi3.11 mi8473+5537240+3587240+3587338(Top 26%)6454(Top 40%)6454(Top 270%)
Half13.11 mi0.68 mi8410+637199+417199+417507(Top 26%)6597(Top 41%)6597(Top 276%)
25K15.53 mi2.42 mi8313+977122+777122+778064(Top 28%)6807(Top 42%)6807(Top 285%)
30K18.64 mi3.11 mi8345-327090+327090+329033(Top 32%)7159(Top 44%)7159(Top 300%)
20M20.00 mi1.36 mi8582-2377191-1017191-10111880(Top 42%)8463(Top 53%)8463(Top 355%)
21M21.00 mi1.00 mi9648-10667768-5777768-57721276(Top 75%)12623(Top 78%)12623(Top 529%)
35K21.75 mi0.75 mi10000-3527907-1397907-13917764(Top 63%)10936(Top 68%)10936(Top 458%)
23M23.00 mi1.25 mi10019-197879+287879+2810681(Top 38%)7576(Top 47%)7576(Top 318%)
24M24.00 mi1.00 mi10283-2647979-1007979-10015507(Top 55%)9811(Top 61%)9811(Top 411%)
40K24.85 mi0.85 mi10390-1078001-228001-2213513(Top 48%)8757(Top 54%)8757(Top 367%)
25.2M25.20 mi0.35 mi10418-287997+47997+412740(Top 45%)8325(Top 52%)8325(Top 349%)
Finish26.22 mi1.02 mi10546-1288023-268023-2614192(Top 50%)9102(Top 57%)9102(Top 381%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21story building
+97ft-345ft

Overall

10986

Males

8589

M45-49

8589

5K→10K

3.1 - 6.2 mi

Top 28%
×5story building
+79ft-138ft

Overall

7951

Males

6947

M45-49

6947

10K→15K

6.2 - 9.3 mi

Top 39%
×3story building
+67ft-78ft

Overall

10986

Males

8589

M45-49

8589

15K→20K

9.3 - 12.4 mi

Top 26%
×5story building
+106ft-86ft

Overall

7338

Males

6454

M45-49

6454

20K→Half

12.4 - 13.1 mi

Top 26%
×2story building
+19ft-37ft

Overall

7507

Males

6597

M45-49

6597

Half→25K

13.1 - 15.5 mi

Top 28%
×4story building
+66ft-88ft

Overall

8064

Males

6807

M45-49

6807

25K→30K

15.5 - 18.6 mi

Top 32%
×9story building
+181ft-148ft

Overall

9033

Males

7159

M45-49

7159

30K→20M

18.6 - 20.0 mi

Top 42%
×5story building
+64ft-50ft

Overall

11880

Males

8463

M45-49

8463

20M→21M

20.0 - 21.0 mi

Top 75%
×8story building
+106ft-24ft

Overall

21276

Males

12623

M45-49

12623

21M→35K

21.0 - 21.8 mi

Top 63%
×7story building
+17ft-86ft

Overall

17764

Males

10936

M45-49

10936

35K→23M

21.8 - 23.0 mi

Top 38%
×5story building
+23ft-63ft

Overall

10681

Males

7576

M45-49

7576

23M→24M

23.0 - 24.0 mi

Top 55%
×6story building
+12ft-82ft

Overall

15507

Males

9811

M45-49

9811

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

13513

Males

8757

M45-49

8757

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

12740

Males

8325

M45-49

8325

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2story building
+22ft-21ft

Overall

14192

Males

9102

M45-49

9102

Passing Analysis

Category:
Athletes Passed
1697
Passed By
3814
Net Change
-2121
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8425
5K → 10K367115+252#8425#8173
10K → 15K30883-853#8173#9026
15K → 20K5596+553#9026#8473
20K → Half674+63#8473#8410
Half → 25K16669+97#8410#8313
25K → 30K199231-32#8313#8345
30K → 20M49286-237#8345#8582
20M → 21M41070-1066#8582#9648
21M → 35K17367-352#9648#10000
35K → 23M86104-19#10000#10019
23M → 24M35298-264#10019#10283
24M → 40K55162-107#10283#10390
40K → 25.2M2048-28#10390#10418
25.2M → Finish43171-128#10418#10546
TOTALS16973814-2121
📊

Passing Visuals

Category:
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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