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BOSTON MARATHON 2025

Matthew Nelson

Bib: 32535•M

MN

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
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
10:02/mi
31:10
↑ 97↓ 3451.5%
10K· 6.21 mi
9:56/mi
1:02:01
↑ 79↓ 1380.4%
15K· 9.32 mi
10:01/mi
1:33:09
↑ 67↓ 78
20K· 12.43 mi
9:55/mi
2:03:59
↑ 106↓ 860.1%
Half· 13.11 mi
9:39/mi
2:10:34
↑ 19↓ 370.5%
25K· 15.53 mi
9:51/mi
2:34:27
↑ 66↓ 880.2%
30K· 18.64 mi
10:07/mi
3:05:53
↑ 181↓ 1480.2%
20M
9:58/mi
3:19:26
↑ 64↓ 500.2%
21M
10:26/mi
3:29:52
↑ 106↓ 241.6%
35K· 21.75 mi
9:37/mi
3:37:04
↑ 17↓ 861.7%
23M
10:06/mi
3:49:43
↑ 23↓ 630.6%
24M
9:58/mi
3:59:41
↓ 821.3%
40K· 24.85 mi
9:56/mi
4:08:11
↓ 200.3%
25.2M
10:55/mi
4:11:57
↑ 13↓ 160.2%
Finish· 26.22 mi
9:50/mi
4:21:58
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time2:10:34
Pace9:58 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time2:11:24
Pace10:01 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:41:2431:1010:0231:10
10:02
-
10K
6.21 mi11:12:151:02:019:5930:51
9:56
-0:06
15K
9.32 mi11:43:231:33:0910:0031:08
10:01
+0:05
20K
12.43 mi12:14:132:03:599:5930:50
9:55
-0:06
Half
13.11 mi12:20:482:10:349:586:35
9:39
-0:16
25K
15.53 mi12:44:412:34:279:5723:53
9:51
+0:12
30K
18.64 mi13:16:073:05:539:5831:26
10:07
+0:16
20M
20.00 mi13:29:403:19:269:5813:33
9:58
-0:09
21M
21.00 mi13:40:063:29:5210:0010:26
10:26
+0:28
35K
21.75 mi13:47:183:37:049:597:12
9:37
-0:49
23M
23.00 mi13:59:573:49:439:5912:39
10:06
+0:29
24M
24.00 mi14:09:553:59:419:599:58
9:58
-0:08
40K
24.85 mi14:18:254:08:119:598:30
9:56
-0:02
25.2M
25.20 mi14:22:114:11:5710:003:46
10:55
+0:59
Finish
26.22 mi14:32:124:21:5810:0010:01
9:50
-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

9:37 /mi

Average Pace

10:00 /mi

Slowest Pace

10:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:18:12

99% of race

Time at Steady Pace

3:46

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:59 /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 mi10:41:2431:1010:0231:10
10:02
#25650
10K
6.21 mi11:12:151:02:019:5930:51
9:56
#25397
15K
9.32 mi11:43:231:33:0910:0031:08
10:01
#25270
20K
12.43 mi12:14:132:03:599:5930:50
9:55
#24957
Half
13.11 mi12:20:482:10:349:586:35
9:39
#24900
25K
15.53 mi12:44:412:34:279:5723:53
9:51
#24597
30K
18.64 mi13:16:073:05:539:5831:26
10:07
#24162
20M
20.00 mi13:29:403:19:269:5813:33
9:58
#23924
21M
21.00 mi13:40:063:29:5210:0010:26
10:26
#23710
35K
21.75 mi13:47:183:37:049:597:12
9:37
#23606
23M
23.00 mi13:59:573:49:439:5912:39
10:06
#23441
24M
24.00 mi14:09:553:59:419:599:58
9:58
#23348
40K
24.85 mi14:18:254:08:119:598:30
9:56
#23221
25.2M
25.20 mi14:22:114:11:5710:003:46
10:55
#23176
Finish
26.22 mi14:32:124:21:5810:0010:01
9:50
#23162
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi25650150251502525030(Top 88%)14736(Top 91%)14736(Top 894%)
10K6.21 mi3.10 mi25397+25314883+14214883+14225159(Top 89%)14776(Top 92%)14776(Top 897%)
15K9.32 mi3.11 mi25270+12714833+5014833+5025030(Top 88%)14736(Top 91%)14736(Top 894%)
20K12.43 mi3.11 mi24957+31314680+15314680+15324075(Top 85%)14261(Top 89%)14261(Top 865%)
Half13.11 mi0.68 mi24900+5714652+2814652+2823957(Top 84%)14212(Top 88%)14212(Top 862%)
25K15.53 mi2.42 mi24597+30314504+14814504+14822897(Top 81%)13698(Top 85%)13698(Top 831%)
30K18.64 mi3.11 mi24162+43514284+22014284+22021956(Top 77%)13143(Top 82%)13143(Top 798%)
20M20.00 mi1.36 mi23924+23814156+12814156+12820838(Top 73%)12520(Top 78%)12520(Top 760%)
21M21.00 mi1.00 mi23710+21414034+12214034+12219797(Top 70%)11955(Top 74%)11955(Top 725%)
35K21.75 mi0.75 mi23606+10413979+5513979+5520768(Top 73%)12344(Top 77%)12344(Top 749%)
23M23.00 mi1.25 mi23441+16513881+9813881+9820822(Top 73%)12311(Top 76%)12311(Top 747%)
24M24.00 mi1.00 mi23348+9313821+6013821+6021261(Top 75%)12477(Top 77%)12477(Top 757%)
40K24.85 mi0.85 mi23221+12713735+8613735+8620261(Top 71%)11927(Top 74%)11927(Top 724%)
25.2M25.20 mi0.35 mi23176+4513710+2513710+2520389(Top 72%)11989(Top 74%)11989(Top 727%)
Finish26.22 mi1.02 mi23162+1413687+2313687+2322380(Top 79%)12963(Top 80%)12963(Top 787%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21story building
+97ft-345ft

Overall

25030

Males

14736

M55-59

14736

5K→10K

3.1 - 6.2 mi

Top 89%
×5story building
+79ft-138ft

Overall

25159

Males

14776

M55-59

14776

10K→15K

6.2 - 9.3 mi

Top 88%
×3story building
+67ft-78ft

Overall

25030

Males

14736

M55-59

14736

15K→20K

9.3 - 12.4 mi

Top 85%
×5story building
+106ft-86ft

Overall

24075

Males

14261

M55-59

14261

20K→Half

12.4 - 13.1 mi

Top 84%
×2story building
+19ft-37ft

Overall

23957

Males

14212

M55-59

14212

Half→25K

13.1 - 15.5 mi

Top 81%
×4story building
+66ft-88ft

Overall

22897

Males

13698

M55-59

13698

25K→30K

15.5 - 18.6 mi

Top 77%
×9story building
+181ft-148ft

Overall

21956

Males

13143

M55-59

13143

30K→20M

18.6 - 20.0 mi

Top 73%
×5story building
+64ft-50ft

Overall

20838

Males

12520

M55-59

12520

20M→21M

20.0 - 21.0 mi

Top 70%
×8story building
+106ft-24ft

Overall

19797

Males

11955

M55-59

11955

21M→35K

21.0 - 21.8 mi

Top 73%
×7story building
+17ft-86ft

Overall

20768

Males

12344

M55-59

12344

35K→23M

21.8 - 23.0 mi

Top 73%
×5story building
+23ft-63ft

Overall

20822

Males

12311

M55-59

12311

23M→24M

23.0 - 24.0 mi

Top 75%
×6story building
+12ft-82ft

Overall

21261

Males

12477

M55-59

12477

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

20261

Males

11927

M55-59

11927

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

20389

Males

11989

M55-59

11989

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2story building
+22ft-21ft

Overall

22380

Males

12963

M55-59

12963

Passing Analysis

Category:
Athletes Passed
2758
Passed By
270
Net Change
+2488
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25650
5K → 10K33784+253#25650#25397
10K → 15K20679+127#25397#25270
15K → 20K33421+313#25270#24957
20K → Half6710+57#24957#24900
Half → 25K3063+303#24900#24597
25K → 30K4416+435#24597#24162
30K → 20M2413+238#24162#23924
20M → 21M2162+214#23924#23710
21M → 35K1084+104#23710#23606
35K → 23M17712+165#23606#23441
23M → 24M10310+93#23441#23348
24M → 40K1270+127#23348#23221
40K → 25.2M483+45#23221#23176
25.2M → Finish4733+14#23176#23162
TOTALS2758270+2488
📊

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