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BOSTON MARATHON 2026

Nico De Vries

CO

Bib: 457 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 0.5%
Gender (Male)
#0 / 16340
Top 0.8%
Masters (Masters Men)
#0 / 10617
Top 0.1%
Division (M40-44)
#0 / 2198
Top 0.4%
Race Day Weather
51°/41°F
overcast clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
5:32/mi
17:11
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
5:30/mi
34:15
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
5:33/mi
51:27
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
5:33/mi
1:08:38
↑ 106↓ 860.1%
165 ft elev
HALF· 13.11 mi
5:28/mi
1:12:21
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
5:28/mi
1:25:35
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
5:28/mi
1:42:32
↑ 181↓ 1480.2%
138 ft elev
20M
5:33/mi
1:50:03
↑ 64↓ 500.2%
148 ft elev
21M
5:45/mi
1:55:48
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
5:25/mi
1:59:51
↑ 17↓ 861.7%
156 ft elev
23M
5:42/mi
2:06:58
↑ 23↓ 630.6%
116 ft elev
24M
5:39/mi
2:12:37
↓ 821.3%
34 ft elev
40K· 24.85 mi
5:42/mi
2:17:29
↓ 200.3%
20 ft elev
25.2M
6:09/mi
2:19:36
↑ 13↓ 160.2%
18 ft elev
FINISH· 26.22 mi
5:32/mi
2:25:14
↑ 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
1:12:215:32 /mi⚖️ balanced
2nd Half
1:12:535:34 /mi⚖️ balanced
Even split — consistent pacing between halves
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:1717:115:3217:11
5:32
-
10K
6.21 mi10:34:2134:155:3117:04
5:30
-0:02
15K
9.32 mi10:51:3251:275:3217:12
5:33
+0:03
20K
12.43 mi11:08:441:08:385:3217:12
5:33
0:00
HALF
13.11 mi11:12:271:12:215:323:43
5:28
-0:05
25K
15.53 mi11:25:401:25:355:3113:14
5:28
0:00
30K
18.64 mi11:42:381:42:325:3116:57
5:28
0:00
20M
20.00 mi11:50:091:50:035:317:31
5:33
+0:05
21M
21.00 mi11:55:541:55:485:315:45
5:45
+0:12
35K
21.75 mi11:59:571:59:515:314:03
5:25
-0:20
23M
23.00 mi12:07:042:06:585:327:07
5:42
+0:17
24M
24.00 mi12:12:432:12:375:325:39
5:39
-0:03
40K
24.85 mi12:17:352:17:295:324:52
5:42
+0:03
25.2M
25.20 mi12:19:422:19:365:332:07
6:09
+0:27
FINISH
26.22 mi12:25:202:25:145:335:38
5:32
-0:37

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

5:25 /mi

Average Pace

5:33 /mi

Slowest Pace

6:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

2:23:07

99% of race

Time at Steady Pace

2:07

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:32 /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 mi10:17:1717:115:3217:11
5:32
#264
10K
6.21 mi10:34:2134:155:3117:04
5:30
#246
15K
9.32 mi10:51:3251:275:3217:12
5:33
#228
20K
12.43 mi11:08:441:08:385:3217:12
5:33
#211
HALF
13.11 mi11:12:271:12:215:323:43
5:28
#210
25K
15.53 mi11:25:401:25:355:3113:14
5:28
#200
30K
18.64 mi11:42:381:42:325:3116:57
5:28
#165
20M
20.00 mi11:50:091:50:035:317:31
5:33
#157
21M
21.00 mi11:55:541:55:485:315:45
5:45
#150
35K
21.75 mi11:59:571:59:515:314:03
5:25
#149
23M
23.00 mi12:07:042:06:585:327:07
5:42
#148
24M
24.00 mi12:12:432:12:375:325:39
5:39
#150
40K
24.85 mi12:17:352:17:295:324:52
5:42
#147
25.2M
25.20 mi12:19:422:19:365:332:07
6:09
#148
FINISH
26.22 mi12:25:202:25:145:335:38
5:32
#150
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi264242242216197197
10K6.21 mi3.10 mi246+18224+18224+18212193193
15K9.32 mi3.11 mi228+18207+17207+17216197197
20K12.43 mi3.11 mi211+17192+15192+15190173173
HALF13.11 mi0.68 mi210+1191+1191+1192174174
25K15.53 mi2.42 mi200+10181+10181+10116116116
30K18.64 mi3.11 mi165+35148+33148+33877878
20M20.00 mi1.36 mi157+8141+7141+7119107107
21M21.00 mi1.00 mi150+7135+6135+61069797
35K21.75 mi0.75 mi149+1134+1134+1162148148
23M23.00 mi1.25 mi148+1135-1135-1235221221
24M24.00 mi1.00 mi150-2135135362341341
40K24.85 mi0.85 mi147+3132+3132+3277262262
25.2M25.20 mi0.35 mi148-1133-1133-1299285285
FINISH26.22 mi1.02 mi150-2134-1134-1376358358

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 0.7%
×21story building
+97ft-345ft

Overall

216

Males

197

M40-44

197

5K→10K

3.1 - 6.2 mi

Top 0.7%
×5story building
+79ft-138ft

Overall

212

Males

193

M40-44

193

10K→15K

6.2 - 9.3 mi

Top 0.7%
×3story building
+67ft-78ft

Overall

216

Males

197

M40-44

197

15K→20K

9.3 - 12.4 mi

Top 0.7%
×5story building
+106ft-86ft

Overall

190

Males

173

M40-44

173

20K→HALF

12.4 - 13.1 mi

Top 0.7%
×2story building
+19ft-37ft

Overall

192

Males

174

M40-44

174

HALF→25K

13.1 - 15.5 mi

Top 0.4%
×4story building
+66ft-88ft

Overall

116

Males

116

M40-44

116

25K→30K

15.5 - 18.6 mi

Top 0.3%
×9story building
+181ft-148ft

Overall

87

Males

78

M40-44

78

30K→20M

18.6 - 20.0 mi

Top 0.4%
×5story building
+64ft-50ft

Overall

119

Males

107

M40-44

107

20M→21M

20.0 - 21.0 mi

Top 0.4%
×8story building
+106ft-24ft

Overall

106

Males

97

M40-44

97

21M→35K

21.0 - 21.8 mi

Top 0.6%
×7story building
+17ft-86ft

Overall

162

Males

148

M40-44

148

35K→23M

21.8 - 23.0 mi

Top 0.8%
×5story building
+23ft-63ft

Overall

235

Males

221

M40-44

221

23M→24M

23.0 - 24.0 mi

Top 1%
×6story building
+12ft-82ft

Overall

362

Males

341

M40-44

341

24M→40K

24.0 - 24.9 mi

Top 1.0%
×1story
+6ft-20ft

Overall

277

Males

262

M40-44

262

40K→25.2M

24.9 - 25.2 mi

Top 1%
×1story
+13ft-16ft

Overall

299

Males

285

M40-44

285

25.2M→FINISH

25.2 - 26.2 mi

Top 1%
×2story building
+22ft-21ft

Overall

376

Males

358

M40-44

358

Passing Analysis

Category:
Athletes Passed
143
Passed By
29
Net Change
+114
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#264
5K → 10K257+18#264#246
10K → 15K224+18#246#228
15K → 20K203+17#228#211
20K → HALF21+1#211#210
HALF → 25K100+10#210#200
25K → 30K361+35#200#165
30K → 20M91+8#165#157
20M → 21M70+7#157#150
21M → 35K32+1#150#149
35K → 23M32+1#149#148
23M → 24M13-2#148#150
24M → 40K30+3#150#147
40K → 25.2M01-1#147#148
25.2M → FINISH24-2#148#150
TOTALS14329+114

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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OTQ

Olympic Trials Qualifying analysis available

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