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BOSTON MARATHON 2026

Nathalie Grandjean

Bib: 23460•F

QC

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 48%
Masters (Masters Women)
#0 / 6862
Top 34%
Age Group (F50-54)
#0 / 1233
Top 29%
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
25:27
3.11 mi
Rank: #18179
Start → 5K
25:27 | 8:12/mi
10K
50:19
6.21 mi
Rank: #17765 (+414)
5K → 10K
24:52 | 8:01/mi
15K
1:15:20
9.32 mi
Rank: #17655 (+110)
10K → 15K
25:01 | 8:04/mi
20K
1:40:52
12.43 mi
Rank: #17629 (+26)
15K → 20K
25:32 | 8:14/mi
HALF
1:46:28
13.11 mi
Rank: #17681 (-52)
20K → HALF
5:36 | 8:13/mi
25K
2:06:46
15.53 mi
Rank: #17673 (+8)
HALF → 25K
20:18 | 8:23/mi
30K
2:33:17
18.64 mi
Rank: #17535 (+138)
25K → 30K
26:31 | 8:33/mi
20M
2:44:55
20.00 mi
Rank: #17451 (+84)
30K → 20M
11:38 | 8:34/mi
21M
2:53:49
21.00 mi
Rank: #17312 (+139)
20M → 21M
8:54 | 8:54/mi
35K
2:59:58
21.75 mi
Rank: #17244 (+68)
21M → 35K
6:09 | 8:14/mi
23M
3:10:26
23.00 mi
Rank: #17076 (+168)
35K → 23M
10:28 | 8:22/mi
24M
3:18:41
24.00 mi
Rank: #16975 (+101)
23M → 24M
8:15 | 8:15/mi
40K
3:25:49
24.85 mi
Rank: #16894 (+81)
24M → 40K
7:08 | 8:21/mi
25.2M
3:28:55
25.20 mi
Rank: #16846 (+48)
40K → 25.2M
3:06 | 9:00/mi
FINISH
3:37:07
26.22 mi
Rank: #16772 (+74)
25.2M → FINISH
8:12 | 8:03/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:46:28
Pace8:08 /mi
2nd Half
Distance13.11 mi
Time1:50:39
Pace8:27 /mi
📊Positive Split: 3.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:28:2725:278:1225:27
8:12
-
10K
6.21 mi11:53:1950:198:0624:52
8:01
-0:11
15K
9.32 mi12:18:201:15:208:0525:01
8:04
+0:03
20K
12.43 mi12:43:521:40:528:0725:32
8:14
+0:10
HALF
13.11 mi12:49:281:46:288:085:36
8:13
-0:01
25K
15.53 mi13:09:462:06:468:1020:18
8:23
+0:10
30K
18.64 mi13:36:172:33:178:1426:31
8:33
+0:10
20M
20.00 mi13:47:552:44:558:1511:38
8:34
+0:01
21M
21.00 mi13:56:492:53:498:178:54
8:54
+0:20
35K
21.75 mi14:02:582:59:588:176:09
8:14
-0:40
23M
23.00 mi14:13:263:10:268:1710:28
8:22
+0:08
24M
24.00 mi14:21:413:18:418:178:15
8:15
-0:07
40K
24.85 mi14:28:493:25:498:177:08
8:21
+0:06
25.2M
25.20 mi14:31:553:28:558:183:06
9:00
+0:39
FINISH
26.22 mi14:40:073:37:078:188:12
8:03
-0:57

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

8:01 /mi

Average Pace

8:17 /mi

Slowest Pace

9:00 /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

3:25:07

94% of race

Time at Steady Pace

12:00

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:17 /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 mi11:28:2725:278:1225:27
8:12
#18179
10K
6.21 mi11:53:1950:198:0624:52
8:01
#17765
15K
9.32 mi12:18:201:15:208:0525:01
8:04
#17655
20K
12.43 mi12:43:521:40:528:0725:32
8:14
#17629
HALF
13.11 mi12:49:281:46:288:085:36
8:13
#17681
25K
15.53 mi13:09:462:06:468:1020:18
8:23
#17673
30K
18.64 mi13:36:172:33:178:1426:31
8:33
#17535
20M
20.00 mi13:47:552:44:558:1511:38
8:34
#17451
21M
21.00 mi13:56:492:53:498:178:54
8:54
#17312
35K
21.75 mi14:02:582:59:588:176:09
8:14
#17244
23M
23.00 mi14:13:263:10:268:1710:28
8:22
#17076
24M
24.00 mi14:21:413:18:418:178:15
8:15
#16975
40K
24.85 mi14:28:493:25:498:177:08
8:21
#16894
25.2M
25.20 mi14:31:553:28:558:183:06
9:00
#16846
FINISH
26.22 mi14:40:073:37:078:188:12
8:03
#16772
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi181796605660517393(Top 60%)6129(Top 49%)6129(Top 497%)
10K6.21 mi3.10 mi17765+4146351+2546351+25417278(Top 60%)6077(Top 48%)6077(Top 493%)
15K9.32 mi3.11 mi17655+1106294+576294+5717393(Top 60%)6129(Top 49%)6129(Top 497%)
20K12.43 mi3.11 mi17629+266289+56289+517607(Top 61%)6281(Top 50%)6281(Top 509%)
HALF13.11 mi0.68 mi17681-526316-276316-2718496(Top 64%)6745(Top 54%)6745(Top 547%)
25K15.53 mi2.42 mi17673+86320-46320-417810(Top 61%)6449(Top 51%)6449(Top 523%)
30K18.64 mi3.11 mi17535+1386259+616259+6117116(Top 59%)6167(Top 49%)6167(Top 500%)
20M20.00 mi1.36 mi17451+846231+286231+2816587(Top 57%)5965(Top 47%)5965(Top 484%)
21M21.00 mi1.00 mi17312+1396169+626169+6215602(Top 54%)5479(Top 44%)5479(Top 444%)
35K21.75 mi0.75 mi17244+686149+206149+2015984(Top 55%)5746(Top 46%)5746(Top 466%)
23M23.00 mi1.25 mi17076+1686084+656084+6514899(Top 51%)5220(Top 42%)5220(Top 423%)
24M24.00 mi1.00 mi16975+1016049+356049+3515416(Top 53%)5565(Top 44%)5565(Top 451%)
40K24.85 mi0.85 mi16894+816018+316018+3114766(Top 51%)5317(Top 42%)5317(Top 431%)
25.2M25.20 mi0.35 mi16846+486004+146004+1414753(Top 51%)5322(Top 42%)5322(Top 432%)
FINISH26.22 mi1.02 mi16772+745980+245980+2415502(Top 53%)5690(Top 45%)5690(Top 461%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21
+97ft-345ft

Overall

17393

Females

6129

F50-54

6129

5K→10K

3.1 - 6.2 mi

Top 60%
×5
+79ft-138ft

Overall

17278

Females

6077

F50-54

6077

10K→15K

6.2 - 9.3 mi

Top 60%
×3
+67ft-78ft

Overall

17393

Females

6129

F50-54

6129

15K→20K

9.3 - 12.4 mi

Top 61%
×5
+106ft-86ft

Overall

17607

Females

6281

F50-54

6281

20K→HALF

12.4 - 13.1 mi

Top 64%
×2
+19ft-37ft

Overall

18496

Females

6745

F50-54

6745

HALF→25K

13.1 - 15.5 mi

Top 61%
×4
+66ft-88ft

Overall

17810

Females

6449

F50-54

6449

25K→30K

15.5 - 18.6 mi

Top 59%
×9
+181ft-148ft

Overall

17116

Females

6167

F50-54

6167

30K→20M

18.6 - 20.0 mi

Top 57%
×5
+64ft-50ft

Overall

16587

Females

5965

F50-54

5965

20M→21M

20.0 - 21.0 mi

Top 54%
×8
+106ft-24ft

Overall

15602

Females

5479

F50-54

5479

21M→35K

21.0 - 21.8 mi

Top 55%
×7
+17ft-86ft

Overall

15984

Females

5746

F50-54

5746

35K→23M

21.8 - 23.0 mi

Top 51%
×5
+23ft-63ft

Overall

14899

Females

5220

F50-54

5220

23M→24M

23.0 - 24.0 mi

Top 53%
×6
+12ft-82ft

Overall

15416

Females

5565

F50-54

5565

24M→40K

24.0 - 24.9 mi

Top 51%
×1
+6ft-20ft

Overall

14766

Females

5317

F50-54

5317

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1
+13ft-16ft

Overall

14753

Females

5322

F50-54

5322

25.2M→FINISH

25.2 - 26.2 mi

Top 53%
×2
+22ft-21ft

Overall

15502

Females

5690

F50-54

5690

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2316*
Passed By
909
Net Change
+1407
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18179
5K → 10K546*132+414#18179#17765
10K → 15K232*122+110#17765#17655
15K → 20K182156+26#17655#17629
20K → HALF2173-52#17629#17681
HALF → 25K128120+8#17681#17673
25K → 30K251*113+138#17673#17535
30K → 20M12945+84#17535#17451
20M → 21M16122+139#17451#17312
21M → 35K8719+68#17312#17244
35K → 23M18921+168#17244#17076
23M → 24M12928+101#17076#16975
24M → 40K10221+81#16975#16894
40K → 25.2M568+48#16894#16846
25.2M → FINISH10329+74#16846#16772
TOTALS2316*909+1407

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

📊

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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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing