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BOSTON MARATHON 2026

Jean Marc De Grandpre

Bib: 30371•M

NJ

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M50-54)
#0 / 1868
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
34:09
3.11 mi
Rank: #28003
Start → 5K
34:09 | 11:00/mi
10K
1:09:16
6.21 mi
Rank: #28039 (-36)
5K → 10K
35:07 | 11:19/mi
15K
1:44:18
9.32 mi
Rank: #27948 (+91)
10K → 15K
35:02 | 11:17/mi
20K
2:18:53
12.43 mi
Rank: #27748 (+200)
15K → 20K
34:35 | 11:08/mi
HALF
2:26:18
13.11 mi
Rank: #27723 (+25)
20K → HALF
7:25 | 10:53/mi
25K
2:53:36
15.53 mi
Rank: #27536 (+187)
HALF → 25K
27:18 | 11:16/mi
30K
3:30:46
18.64 mi
Rank: #27419 (+117)
25K → 30K
37:10 | 11:58/mi
20M
3:46:40
20.00 mi
Rank: #27313 (+106)
30K → 20M
15:54 | 11:43/mi
21M
3:58:24
21.00 mi
Rank: #27212 (+101)
20M → 21M
11:44 | 11:44/mi
35K
4:07:37
21.75 mi
Rank: #27215 (-3)
21M → 35K
9:13 | 12:20/mi
23M
4:22:53
23.00 mi
Rank: #27185 (+30)
35K → 23M
15:16 | 12:12/mi
24M
4:35:19
24.00 mi
Rank: #27191 (-6)
23M → 24M
12:26 | 12:26/mi
40K
4:45:37
24.85 mi
Rank: #27167 (+24)
24M → 40K
10:18 | 12:03/mi
25.2M
4:49:46
25.20 mi
Rank: #27139 (+28)
40K → 25.2M
4:09 | 12:03/mi
FINISH
4:59:42
26.22 mi
Rank: #27056 (+83)
25.2M → FINISH
9:56 | 9:45/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:26:18
Pace11:10 /mi
2nd Half
Distance13.11 mi
Time2:33:24
Pace11:43 /mi
📊Positive Split: 4.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi12:05:5934:0911:0034:09
11:00
-
10K
6.21 mi12:41:061:09:1611:0935:07
11:19
+0:19
15K
9.32 mi13:16:081:44:1811:1235:02
11:17
-0:02
20K
12.43 mi13:50:432:18:5311:1134:35
11:08
-0:09
HALF
13.11 mi13:58:082:26:1811:107:25
10:53
-0:15
25K
15.53 mi14:25:262:53:3611:1127:18
11:16
+0:23
30K
18.64 mi15:02:363:30:4611:1937:10
11:58
+0:42
20M
20.00 mi15:18:303:46:4011:2115:54
11:43
-0:15
21M
21.00 mi15:30:143:58:2411:2211:44
11:44
+0:01
35K
21.75 mi15:39:274:07:3711:249:13
12:20
+0:36
23M
23.00 mi15:54:434:22:5311:2615:16
12:12
-0:08
24M
24.00 mi16:07:094:35:1911:2912:26
12:26
+0:14
40K
24.85 mi16:17:274:45:3711:3010:18
12:03
-0:23
25.2M
25.20 mi16:21:364:49:4611:304:09
12:03
0:00
FINISH
26.22 mi16:31:324:59:4211:279:56
9:45
-2:18

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

9:45 /mi

Average Pace

11:26 /mi

Slowest Pace

12:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

3:03:32

61% of race

Time at Steady Pace

1:19:15

26% of race

Time at Slower Pace

36:55

12% of race

Average Pace: 11:26 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi12:05:5934:0911:0034:09
11:00
#28003
10K
6.21 mi12:41:061:09:1611:0935:07
11:19
#28039
15K
9.32 mi13:16:081:44:1811:1235:02
11:17
#27948
20K
12.43 mi13:50:432:18:5311:1134:35
11:08
#27748
HALF
13.11 mi13:58:082:26:1811:107:25
10:53
#27723
25K
15.53 mi14:25:262:53:3611:1127:18
11:16
#27536
30K
18.64 mi15:02:363:30:4611:1937:10
11:58
#27419
20M
20.00 mi15:18:303:46:4011:2115:54
11:43
#27313
21M
21.00 mi15:30:143:58:2411:2211:44
11:44
#27212
35K
21.75 mi15:39:274:07:3711:249:13
12:20
#27215
23M
23.00 mi15:54:434:22:5311:2615:16
12:12
#27185
24M
24.00 mi16:07:094:35:1911:2912:26
12:26
#27191
40K
24.85 mi16:17:274:45:3711:3010:18
12:03
#27167
25.2M
25.20 mi16:21:364:49:4611:304:09
12:03
#27139
FINISH
26.22 mi16:31:324:59:4211:279:56
9:45
#27056
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi28003160161601627740(Top 96%)15886(Top 97%)15886(Top 850%)
10K6.21 mi3.10 mi28039-3616023-716023-728053(Top 97%)16011(Top 98%)16011(Top 857%)
15K9.32 mi3.11 mi27948+9115989+3415989+3427740(Top 96%)15886(Top 97%)15886(Top 850%)
20K12.43 mi3.11 mi27748+20015897+9215897+9227128(Top 93%)15648(Top 96%)15648(Top 838%)
HALF13.11 mi0.68 mi27723+2515888+915888+927218(Top 94%)15628(Top 96%)15628(Top 837%)
25K15.53 mi2.42 mi27536+18715806+8215806+8226709(Top 92%)15409(Top 94%)15409(Top 825%)
30K18.64 mi3.11 mi27419+11715743+6315743+6326733(Top 92%)15322(Top 94%)15322(Top 820%)
20M20.00 mi1.36 mi27313+10615688+5515688+5526008(Top 90%)14925(Top 91%)14925(Top 799%)
21M21.00 mi1.00 mi27212+10115634+5415634+5424615(Top 85%)14225(Top 87%)14225(Top 762%)
35K21.75 mi0.75 mi27215-315635-115635-127086(Top 93%)15382(Top 94%)15382(Top 823%)
23M23.00 mi1.25 mi27185+3015612+2315612+2326403(Top 91%)15034(Top 92%)15034(Top 805%)
24M24.00 mi1.00 mi27191-615603+915603+927108(Top 93%)15334(Top 94%)15334(Top 821%)
40K24.85 mi0.85 mi27167+2415582+2115582+2125961(Top 89%)14743(Top 90%)14743(Top 789%)
25.2M25.20 mi0.35 mi27139+2815566+1615566+1624502(Top 84%)14029(Top 86%)14029(Top 751%)
FINISH26.22 mi1.02 mi27056+8315524+4215524+4223129(Top 80%)13377(Top 82%)13377(Top 716%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21
+97ft-345ft

Overall

27740

Males

15886

M50-54

15886

5K→10K

3.1 - 6.2 mi

Top 97%
×5
+79ft-138ft

Overall

28053

Males

16011

M50-54

16011

10K→15K

6.2 - 9.3 mi

Top 96%
×3
+67ft-78ft

Overall

27740

Males

15886

M50-54

15886

15K→20K

9.3 - 12.4 mi

Top 93%
×5
+106ft-86ft

Overall

27128

Males

15648

M50-54

15648

20K→HALF

12.4 - 13.1 mi

Top 94%
×2
+19ft-37ft

Overall

27218

Males

15628

M50-54

15628

HALF→25K

13.1 - 15.5 mi

Top 92%
×4
+66ft-88ft

Overall

26709

Males

15409

M50-54

15409

25K→30K

15.5 - 18.6 mi

Top 92%
×9
+181ft-148ft

Overall

26733

Males

15322

M50-54

15322

30K→20M

18.6 - 20.0 mi

Top 90%
×5
+64ft-50ft

Overall

26008

Males

14925

M50-54

14925

20M→21M

20.0 - 21.0 mi

Top 85%
×8
+106ft-24ft

Overall

24615

Males

14225

M50-54

14225

21M→35K

21.0 - 21.8 mi

Top 93%
×7
+17ft-86ft

Overall

27086

Males

15382

M50-54

15382

35K→23M

21.8 - 23.0 mi

Top 91%
×5
+23ft-63ft

Overall

26403

Males

15034

M50-54

15034

23M→24M

23.0 - 24.0 mi

Top 93%
×6
+12ft-82ft

Overall

27108

Males

15334

M50-54

15334

24M→40K

24.0 - 24.9 mi

Top 89%
×1
+6ft-20ft

Overall

25961

Males

14743

M50-54

14743

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1
+13ft-16ft

Overall

24502

Males

14029

M50-54

14029

25.2M→FINISH

25.2 - 26.2 mi

Top 80%
×2
+22ft-21ft

Overall

23129

Males

13377

M50-54

13377

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1283
Passed By
336
Net Change
+947
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28003
5K → 10K110146-36#28003#28039
10K → 15K14150+91#28039#27948
15K → 20K21414+200#27948#27748
20K → HALF272+25#27748#27723
HALF → 25K1947+187#27723#27536
25K → 30K14023+117#27536#27419
30K → 20M1137+106#27419#27313
20M → 21M1032+101#27313#27212
21M → 35K2528-3#27212#27215
35K → 23M4818+30#27215#27185
23M → 24M2430-6#27185#27191
24M → 40K328+24#27191#27167
40K → 25.2M291+28#27167#27139
25.2M → FINISH830+83#27139#27056
TOTALS1283336+947
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing