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BOSTON MARATHON 2025

Dan Rech

Bib: 10365•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 30%
Gender (Male)
#0 / 16105
Top 43%
Masters (Masters Men)
#0 / 10463
Top 31%
Division (M50-54)
#0 / 1996
Top 28%
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
7:20/mi
22:46
↑ 97↓ 3451.5%
10K· 6.21 mi
7:17/mi
45:24
↑ 79↓ 1380.4%
15K· 9.32 mi
7:15/mi
1:07:56
↑ 67↓ 78
20K· 12.43 mi
7:18/mi
1:30:38
↑ 106↓ 860.1%
Half· 13.11 mi
7:14/mi
1:35:34
↑ 19↓ 370.5%
25K· 15.53 mi
7:22/mi
1:53:25
↑ 66↓ 880.2%
30K· 18.64 mi
7:41/mi
2:17:17
↑ 181↓ 1480.2%
20M
7:38/mi
2:27:40
↑ 64↓ 500.2%
21M
8:00/mi
2:35:40
↑ 106↓ 241.6%
35K· 21.75 mi
7:25/mi
2:41:13
↑ 17↓ 861.7%
23M
7:33/mi
2:50:40
↑ 23↓ 630.6%
24M
7:24/mi
2:58:04
↓ 821.3%
40K· 24.85 mi
7:29/mi
3:04:28
↓ 200.3%
25.2M
8:04/mi
3:07:15
↑ 13↓ 160.2%
Finish· 26.22 mi
7:18/mi
3:14:41
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:34
Pace7:17 /mi
2nd Half
Distance13.11 mi
Time1:39:07
Pace7:34 /mi
📊Positive Split: 3.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:3522:467:2022:46
7:20
-
10K
6.21 mi11:11:1345:247:1822:38
7:17
-0:03
15K
9.32 mi11:33:451:07:567:1722:32
7:15
-0:02
20K
12.43 mi11:56:271:30:387:1822:42
7:18
+0:03
Half
13.11 mi12:01:231:35:347:174:56
7:14
-0:04
25K
15.53 mi12:19:141:53:257:1817:51
7:22
+0:08
30K
18.64 mi12:43:062:17:177:2223:52
7:41
+0:19
20M
20.00 mi12:53:292:27:407:2310:23
7:38
-0:03
21M
21.00 mi13:01:292:35:407:258:00
8:00
+0:22
35K
21.75 mi13:07:022:41:137:255:33
7:25
-0:35
23M
23.00 mi13:16:292:50:407:259:27
7:33
+0:08
24M
24.00 mi13:23:532:58:047:257:24
7:24
-0:09
40K
24.85 mi13:30:173:04:287:256:24
7:29
+0:05
25.2M
25.20 mi13:33:043:07:157:262:47
8:04
+0:35
Finish
26.22 mi13:40:303:14:417:267:26
7:18
-0:46

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

7:14 /mi

Average Pace

7:26 /mi

Slowest Pace

8:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:03:54

94% of race

Time at Steady Pace

10:47

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:25 /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 mi10:48:3522:467:2022:46
7:20
#10622
10K
6.21 mi11:11:1345:247:1822:38
7:17
#10389
15K
9.32 mi11:33:451:07:567:1722:32
7:15
#10111
20K
12.43 mi11:56:271:30:387:1822:42
7:18
#9806
Half
13.11 mi12:01:231:35:347:174:56
7:14
#9773
25K
15.53 mi12:19:141:53:257:1817:51
7:22
#9578
30K
18.64 mi12:43:062:17:177:2223:52
7:41
#9397
20M
20.00 mi12:53:292:27:407:2310:23
7:38
#9258
21M
21.00 mi13:01:292:35:407:258:00
8:00
#9095
35K
21.75 mi13:07:022:41:137:255:33
7:25
#9025
23M
23.00 mi13:16:292:50:407:259:27
7:33
#8808
24M
24.00 mi13:23:532:58:047:257:24
7:24
#8691
40K
24.85 mi13:30:173:04:287:256:24
7:29
#8559
25.2M
25.20 mi13:33:043:07:157:262:47
8:04
#8492
Finish
26.22 mi13:40:303:14:417:267:26
7:18
#8443
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi10622849484949562(Top 34%)7849(Top 49%)7849(Top 393%)
10K6.21 mi3.10 mi10389+2338361+1338361+13310218(Top 36%)8268(Top 51%)8268(Top 414%)
15K9.32 mi3.11 mi10111+2788197+1648197+1649562(Top 34%)7849(Top 49%)7849(Top 393%)
20K12.43 mi3.11 mi9806+3058000+1978000+1979081(Top 32%)7496(Top 47%)7496(Top 376%)
Half13.11 mi0.68 mi9773+337981+197981+199286(Top 33%)7629(Top 47%)7629(Top 382%)
25K15.53 mi2.42 mi9578+1957837+1447837+1448825(Top 31%)7236(Top 45%)7236(Top 363%)
30K18.64 mi3.11 mi9397+1817690+1477690+1479061(Top 32%)7169(Top 45%)7169(Top 359%)
20M20.00 mi1.36 mi9258+1397580+1107580+1107967(Top 28%)6421(Top 40%)6421(Top 322%)
21M21.00 mi1.00 mi9095+1637455+1257455+1257336(Top 26%)5871(Top 36%)5871(Top 294%)
35K21.75 mi0.75 mi9025+707396+597396+598044(Top 28%)6329(Top 39%)6329(Top 317%)
23M23.00 mi1.25 mi8808+2177228+1687228+1686903(Top 24%)5537(Top 34%)5537(Top 277%)
24M24.00 mi1.00 mi8691+1177122+1067122+1067043(Top 25%)5558(Top 35%)5558(Top 278%)
40K24.85 mi0.85 mi8559+1327011+1117011+1116721(Top 24%)5278(Top 33%)5278(Top 264%)
25.2M25.20 mi0.35 mi8492+676953+586953+586312(Top 22%)4945(Top 31%)4945(Top 248%)
Finish26.22 mi1.02 mi8443+496906+476906+477728(Top 27%)5757(Top 36%)5757(Top 288%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21story building
+97ft-345ft

Overall

9562

Males

7849

M50-54

7849

5K→10K

3.1 - 6.2 mi

Top 36%
×5story building
+79ft-138ft

Overall

10218

Males

8268

M50-54

8268

10K→15K

6.2 - 9.3 mi

Top 34%
×3story building
+67ft-78ft

Overall

9562

Males

7849

M50-54

7849

15K→20K

9.3 - 12.4 mi

Top 32%
×5story building
+106ft-86ft

Overall

9081

Males

7496

M50-54

7496

20K→Half

12.4 - 13.1 mi

Top 33%
×2story building
+19ft-37ft

Overall

9286

Males

7629

M50-54

7629

Half→25K

13.1 - 15.5 mi

Top 31%
×4story building
+66ft-88ft

Overall

8825

Males

7236

M50-54

7236

25K→30K

15.5 - 18.6 mi

Top 32%
×9story building
+181ft-148ft

Overall

9061

Males

7169

M50-54

7169

30K→20M

18.6 - 20.0 mi

Top 28%
×5story building
+64ft-50ft

Overall

7967

Males

6421

M50-54

6421

20M→21M

20.0 - 21.0 mi

Top 26%
×8story building
+106ft-24ft

Overall

7336

Males

5871

M50-54

5871

21M→35K

21.0 - 21.8 mi

Top 28%
×7story building
+17ft-86ft

Overall

8044

Males

6329

M50-54

6329

35K→23M

21.8 - 23.0 mi

Top 24%
×5story building
+23ft-63ft

Overall

6903

Males

5537

M50-54

5537

23M→24M

23.0 - 24.0 mi

Top 25%
×6story building
+12ft-82ft

Overall

7043

Males

5558

M50-54

5558

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6721

Males

5278

M50-54

5278

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

6312

Males

4945

M50-54

4945

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2story building
+22ft-21ft

Overall

7728

Males

5757

M50-54

5757

Passing Analysis

Category:
Athletes Passed
2807*
Passed By
628
Net Change
+2179
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10622
5K → 10K381148+233#10622#10389
10K → 15K33658+278#10389#10111
15K → 20K353*48+305#10111#9806
20K → Half5017+33#9806#9773
Half → 25K25257+195#9773#9578
25K → 30K306125+181#9578#9397
30K → 20M17233+139#9397#9258
20M → 21M18623+163#9258#9095
21M → 35K9424+70#9095#9025
35K → 23M23316+217#9025#8808
23M → 24M13720+117#8808#8691
24M → 40K15220+132#8691#8559
40K → 25.2M747+67#8559#8492
25.2M → Finish8132+49#8492#8443
TOTALS2807*628+2179

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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