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BOSTON MARATHON 2025

Chris Reinders

ON

Bib: 12394 M

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

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:12/mi
22:21
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:14/mi
44:50
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:17/mi
1:07:29
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:27/mi
1:30:38
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:23/mi
1:35:40
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:51/mi
1:54:41
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:36/mi
2:21:23
↑ 181↓ 1480.2%
138 ft elev
20M
9:16/mi
2:33:59
↑ 64↓ 500.2%
148 ft elev
21M
10:02/mi
2:44:01
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
9:04/mi
2:50:48
↑ 17↓ 861.7%
156 ft elev
23M
9:48/mi
3:03:04
↑ 23↓ 630.6%
116 ft elev
24M
8:38/mi
3:11:42
↓ 821.3%
34 ft elev
40K· 24.85 mi
9:07/mi
3:19:30
↓ 200.3%
20 ft elev
25.2M
10:58/mi
3:23:17
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:57/mi
3:32:24
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:40
Pace7:18 /mi
2nd Half
Distance13.11 mi
Time1:56:44
Pace8:54 /mi
📊Positive Split: 22.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:5022:217:1222:21
7:12
-
10K
6.21 mi11:12:1944:507:1322:29
7:14
+0:02
15K
9.32 mi11:34:581:07:297:1422:39
7:17
+0:03
20K
12.43 mi11:58:071:30:387:1823:09
7:27
+0:10
Half
13.11 mi12:03:091:35:407:185:02
7:23
-0:04
25K
15.53 mi12:22:101:54:417:2319:01
7:51
+0:28
30K
18.64 mi12:48:522:21:237:3526:42
8:36
+0:45
20M
20.00 mi13:01:282:33:597:4212:36
9:16
+0:40
21M
21.00 mi13:11:302:44:017:4910:02
10:02
+0:46
35K
21.75 mi13:18:172:50:487:516:47
9:04
-0:58
23M
23.00 mi13:30:333:03:047:5812:16
9:48
+0:44
24M
24.00 mi13:39:113:11:427:598:38
8:38
-1:10
40K
24.85 mi13:46:593:19:308:027:48
9:07
+0:29
25.2M
25.20 mi13:50:463:23:178:043:47
10:58
+1:51
Finish
26.22 mi13:59:533:32:248:069:07
8:57
-2:01

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

7:12 /mi

Average Pace

8:06 /mi

Slowest Pace

10:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:41

54% of race

Time at Steady Pace

59:02

28% of race

Time at Slower Pace

38:41

18% of race

Average Pace: 8:06 /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 mi10:49:5022:217:1222:21
7:12
#9408
10K
6.21 mi11:12:1944:507:1322:29
7:14
#9583
15K
9.32 mi11:34:581:07:297:1422:39
7:17
#9667
20K
12.43 mi11:58:071:30:387:1823:09
7:27
#9813
Half
13.11 mi12:03:091:35:407:185:02
7:23
#9855
25K
15.53 mi12:22:101:54:417:2319:01
7:51
#10295
30K
18.64 mi12:48:522:21:237:3526:42
8:36
#11313
20M
20.00 mi13:01:282:33:597:4212:36
9:16
#11902
21M
21.00 mi13:11:302:44:017:4910:02
10:02
#12385
35K
21.75 mi13:18:172:50:487:516:47
9:04
#12648
23M
23.00 mi13:30:333:03:047:5812:16
9:48
#13217
24M
24.00 mi13:39:113:11:427:598:38
8:38
#13305
40K
24.85 mi13:46:593:19:308:027:48
9:07
#13457
25.2M
25.20 mi13:50:463:23:178:043:47
10:58
#13634
Finish
26.22 mi13:59:533:32:248:069:07
8:57
#13861
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi9408783678369923(Top 35%)8046(Top 50%)8046(Top 337%)
10K6.21 mi3.10 mi9583-1757955-1197955-1199806(Top 35%)8040(Top 50%)8040(Top 337%)
15K9.32 mi3.11 mi9667-847963-87963-89923(Top 35%)8046(Top 50%)8046(Top 337%)
20K12.43 mi3.11 mi9813-1468007-448007-4410351(Top 36%)8195(Top 51%)8195(Top 343%)
Half13.11 mi0.68 mi9855-428027-208027-2010676(Top 38%)8398(Top 52%)8398(Top 352%)
25K15.53 mi2.42 mi10295-4408224-1978224-19712682(Top 45%)9163(Top 57%)9163(Top 384%)
30K18.64 mi3.11 mi11313-10188652-4288652-42815336(Top 54%)10199(Top 63%)10199(Top 427%)
20M20.00 mi1.36 mi11902-5898896-2448896-24418132(Top 64%)11287(Top 70%)11287(Top 473%)
21M21.00 mi1.00 mi12385-4839075-1799075-17918405(Top 65%)11337(Top 70%)11337(Top 475%)
35K21.75 mi0.75 mi12648-2639171-969171-9618526(Top 65%)11257(Top 70%)11257(Top 472%)
23M23.00 mi1.25 mi13217-5699389-2189389-21819773(Top 70%)11791(Top 73%)11791(Top 494%)
24M24.00 mi1.00 mi13305-889402-139402-1315333(Top 54%)9728(Top 60%)9728(Top 408%)
40K24.85 mi0.85 mi13457-1529449-479449-4716936(Top 60%)10343(Top 64%)10343(Top 433%)
25.2M25.20 mi0.35 mi13634-1779504-559504-5520480(Top 72%)12013(Top 75%)12013(Top 503%)
Finish26.22 mi1.02 mi13861-2279574-709574-7018738(Top 66%)11228(Top 70%)11228(Top 471%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21story building
+97ft-345ft

Overall

9923

Males

8046

M45-49

8046

5K→10K

3.1 - 6.2 mi

Top 35%
×5story building
+79ft-138ft

Overall

9806

Males

8040

M45-49

8040

10K→15K

6.2 - 9.3 mi

Top 35%
×3story building
+67ft-78ft

Overall

9923

Males

8046

M45-49

8046

15K→20K

9.3 - 12.4 mi

Top 36%
×5story building
+106ft-86ft

Overall

10351

Males

8195

M45-49

8195

20K→Half

12.4 - 13.1 mi

Top 38%
×2story building
+19ft-37ft

Overall

10676

Males

8398

M45-49

8398

Half→25K

13.1 - 15.5 mi

Top 45%
×4story building
+66ft-88ft

Overall

12682

Males

9163

M45-49

9163

25K→30K

15.5 - 18.6 mi

Top 54%
×9story building
+181ft-148ft

Overall

15336

Males

10199

M45-49

10199

30K→20M

18.6 - 20.0 mi

Top 64%
×5story building
+64ft-50ft

Overall

18132

Males

11287

M45-49

11287

20M→21M

20.0 - 21.0 mi

Top 65%
×8story building
+106ft-24ft

Overall

18405

Males

11337

M45-49

11337

21M→35K

21.0 - 21.8 mi

Top 65%
×7story building
+17ft-86ft

Overall

18526

Males

11257

M45-49

11257

35K→23M

21.8 - 23.0 mi

Top 70%
×5story building
+23ft-63ft

Overall

19773

Males

11791

M45-49

11791

23M→24M

23.0 - 24.0 mi

Top 54%
×6story building
+12ft-82ft

Overall

15333

Males

9728

M45-49

9728

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

16936

Males

10343

M45-49

10343

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

20480

Males

12013

M45-49

12013

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2story building
+22ft-21ft

Overall

18738

Males

11228

M45-49

11228

Passing Analysis

Category:
Athletes Passed
818
Passed By
5266
Net Change
-4453
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9408
5K → 10K160334-175#9408#9583
10K → 15K141224-84#9583#9667
15K → 20K139285-146#9667#9813
20K → Half2264-42#9813#9855
Half → 25K69507-440#9855#10295
25K → 30K521069-1018#10295#11313
30K → 20M33622-589#11313#11902
20M → 21M24507-483#11902#12385
21M → 35K26289-263#12385#12648
35K → 23M28597-569#12648#13217
23M → 24M48136-88#13217#13305
24M → 40K43195-152#13305#13457
40K → 25.2M9186-177#13457#13634
25.2M → Finish24251-227#13634#13861
TOTALS8185266-4453
📊

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