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BOSTON MARATHON 2025

Nicholas Boyer

NY

Bib: 1283 M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 6%
Gender (Male)
#0 / 16105
Top 9%
Division (M18-39)
#0 / 5642
Top 22%
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
6:19/mi
19:37
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:06/mi
38:34
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
6:07/mi
57:33
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
6:12/mi
1:16:50
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
6:03/mi
1:20:58
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
6:12/mi
1:36:00
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
6:28/mi
1:56:07
↑ 181↓ 1480.2%
138 ft elev
20M
6:32/mi
2:05:00
↑ 64↓ 500.2%
148 ft elev
21M
6:48/mi
2:11:48
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
6:21/mi
2:16:33
↑ 17↓ 861.7%
156 ft elev
23M
6:38/mi
2:24:51
↑ 23↓ 630.6%
116 ft elev
24M
6:29/mi
2:31:20
↓ 821.3%
34 ft elev
40K· 24.85 mi
6:46/mi
2:37:07
↓ 200.3%
20 ft elev
25.2M
7:21/mi
2:39:39
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
6:27/mi
2:46:13
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:20:586:11 /mi⚡ faster
2nd Half
1:25:156:30 /mi+5.3%
Positive split — 5.3% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:2619:376:1919:37
6:19
-
10K
6.21 mi10:39:2338:346:1218:57
6:06
-0:13
15K
9.32 mi10:58:2257:336:1018:59
6:07
+0:01
20K
12.43 mi11:17:391:16:506:1119:17
6:12
+0:05
Half
13.11 mi11:21:471:20:586:114:08
6:03
-0:09
25K
15.53 mi11:36:491:36:006:1115:02
6:12
+0:09
30K
18.64 mi11:56:561:56:076:1420:07
6:28
+0:16
20M
20.00 mi12:05:492:05:006:158:53
6:32
+0:04
21M
21.00 mi12:12:372:11:486:176:48
6:48
+0:16
35K
21.75 mi12:17:222:16:336:174:45
6:21
-0:27
23M
23.00 mi12:25:402:24:516:188:18
6:38
+0:17
24M
24.00 mi12:32:092:31:206:186:29
6:29
-0:09
40K
24.85 mi12:37:562:37:076:195:47
6:46
+0:17
25.2M
25.20 mi12:40:282:39:396:202:32
7:21
+0:35
Finish
26.22 mi12:47:022:46:136:216:34
6:27
-0:54

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

6:03 /mi

Average Pace

6:21 /mi

Slowest Pace

7:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

1:16:23

46% of race

Time at Steady Pace

1:06:25

40% of race

Time at Slower Pace

23:25

14% of race

Average Pace: 6:20 /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 mi10:20:2619:376:1919:37
6:19
#2520
10K
6.21 mi10:39:2338:346:1218:57
6:06
#1909
15K
9.32 mi10:58:2257:336:1018:59
6:07
#1741
20K
12.43 mi11:17:391:16:506:1119:17
6:12
#1683
Half
13.11 mi11:21:471:20:586:114:08
6:03
#1661
25K
15.53 mi11:36:491:36:006:1115:02
6:12
#1597
30K
18.64 mi11:56:561:56:076:1420:07
6:28
#1616
20M
20.00 mi12:05:492:05:006:158:53
6:32
#1601
21M
21.00 mi12:12:372:11:486:176:48
6:48
#1567
35K
21.75 mi12:17:222:16:336:174:45
6:21
#1550
23M
23.00 mi12:25:402:24:516:188:18
6:38
#1541
24M
24.00 mi12:32:092:31:206:186:29
6:29
#1524
40K
24.85 mi12:37:562:37:076:195:47
6:46
#1540
25.2M
25.20 mi12:40:282:39:396:202:32
7:21
#1554
Finish
26.22 mi12:47:022:46:136:216:34
6:27
#1565
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi252024012401143813691369
10K6.21 mi3.10 mi1909+6111818+5831818+583146913961396
15K9.32 mi3.11 mi1741+1681655+1631655+163143813691369
20K12.43 mi3.11 mi1683+581598+571598+57160815271527
Half13.11 mi0.68 mi1661+221576+221576+22140313351335
25K15.53 mi2.42 mi1597+641514+621514+62146213901390
30K18.64 mi3.11 mi1616-191533-191533-19187817881788
20M20.00 mi1.36 mi1601+151517+161517+16176916751675
21M21.00 mi1.00 mi1567+341484+331484+33153714481448
35K21.75 mi0.75 mi1550+171467+171467+17182017091709
23M23.00 mi1.25 mi1541+91459+81459+8195318241824
24M24.00 mi1.00 mi1524+171441+181441+18198418411841
40K24.85 mi0.85 mi1540-161455-141455-14267424312431
25.2M25.20 mi0.35 mi1554-141470-151470-15275324552455
Finish26.22 mi1.02 mi1565-111481-111481-11253123002300

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21story building
+97ft-345ft

Overall

1438

Males

1369

M18-39

1369

5K→10K

3.1 - 6.2 mi

Top 5%
×5story building
+79ft-138ft

Overall

1469

Males

1396

M18-39

1396

10K→15K

6.2 - 9.3 mi

Top 5%
×3story building
+67ft-78ft

Overall

1438

Males

1369

M18-39

1369

15K→20K

9.3 - 12.4 mi

Top 6%
×5story building
+106ft-86ft

Overall

1608

Males

1527

M18-39

1527

20K→Half

12.4 - 13.1 mi

Top 5%
×2story building
+19ft-37ft

Overall

1403

Males

1335

M18-39

1335

Half→25K

13.1 - 15.5 mi

Top 5%
×4story building
+66ft-88ft

Overall

1462

Males

1390

M18-39

1390

25K→30K

15.5 - 18.6 mi

Top 7%
×9story building
+181ft-148ft

Overall

1878

Males

1788

M18-39

1788

30K→20M

18.6 - 20.0 mi

Top 6%
×5story building
+64ft-50ft

Overall

1769

Males

1675

M18-39

1675

20M→21M

20.0 - 21.0 mi

Top 5%
×8story building
+106ft-24ft

Overall

1537

Males

1448

M18-39

1448

21M→35K

21.0 - 21.8 mi

Top 6%
×7story building
+17ft-86ft

Overall

1820

Males

1709

M18-39

1709

35K→23M

21.8 - 23.0 mi

Top 7%
×5story building
+23ft-63ft

Overall

1953

Males

1824

M18-39

1824

23M→24M

23.0 - 24.0 mi

Top 7%
×6story building
+12ft-82ft

Overall

1984

Males

1841

M18-39

1841

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2674

Males

2431

M18-39

2431

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2753

Males

2455

M18-39

2455

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2story building
+22ft-21ft

Overall

2531

Males

2300

M18-39

2300

Passing Analysis

Category:
Athletes Passed
1280
Passed By
325
Net Change
+955
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2520
5K → 10K6143+611#2520#1909
10K → 15K1746+168#1909#1741
15K → 20K7820+58#1741#1683
20K → Half264+22#1683#1661
Half → 25K739+64#1661#1597
25K → 30K5877-19#1597#1616
30K → 20M4429+15#1616#1601
20M → 21M5622+34#1601#1567
21M → 35K3215+17#1567#1550
35K → 23M4839+9#1550#1541
23M → 24M2912+17#1541#1524
24M → 40K2137-16#1524#1540
40K → 25.2M620-14#1540#1554
25.2M → Finish2132-11#1554#1565
TOTALS1280325+955

Passing Charts

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