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BOSTON MARATHON 2026

Aiden Grasse

Bib: 9371 •F •Age: N/A

MI

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0:00
0:00
/ mi
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Overall
#0 / 29021
Top 14%
Gender (Female)
#0 / 12578
Top 2%
Age Group (F18-39)
#0 / 5716
Top 4%
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
21:22
3.11 mi
Rank: #7558
Start → 5K
21:22 | 6:53/mi
10K
42:25
6.21 mi
Rank: #7144 (+414)
5K → 10K
21:03 | 6:47/mi
15K
1:03:10
9.32 mi
Rank: #6619 (+525)
10K → 15K
20:45 | 6:41/mi
20K
1:24:04
12.43 mi
Rank: #6292 (+327)
15K → 20K
20:54 | 6:44/mi
HALF
1:28:37
13.11 mi
Rank: #6252 (+40)
20K → HALF
4:33 | 6:41/mi
25K
1:44:51
15.53 mi
Rank: #5984 (+268)
HALF → 25K
16:14 | 6:42/mi
30K
2:05:34
18.64 mi
Rank: #5410 (+574)
25K → 30K
20:43 | 6:41/mi
20M
2:14:32
20.00 mi
Rank: #5155 (+255)
30K → 20M
8:58 | 6:37/mi
21M
2:21:14
21.00 mi
Rank: #4915 (+240)
20M → 21M
6:42 | 6:42/mi
35K
2:26:00
21.75 mi
Rank: #4794 (+121)
21M → 35K
4:46 | 6:23/mi
23M
2:34:03
23.00 mi
Rank: #4548 (+246)
35K → 23M
8:03 | 6:26/mi
24M
2:40:18
24.00 mi
Rank: #4362 (+186)
23M → 24M
6:15 | 6:15/mi
40K
2:45:43
24.85 mi
Rank: #4195 (+167)
24M → 40K
5:25 | 6:21/mi
25.2M
2:48:04
25.20 mi
Rank: #4127 (+68)
40K → 25.2M
2:21 | 6:49/mi
FINISH
2:54:16
26.22 mi
Rank: #3983 (+144)
25.2M → FINISH
6:12 | 6:06/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time1:28:37
Pace6:46 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:25:39
Pace6:33 /mi
📊Negative Split: 3.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:37:1221:226:5321:22
6:53
-
10K
6.21 mi10:58:1542:256:5021:03
6:47
-0:06
15K
9.32 mi11:19:001:03:106:4720:45
6:41
-0:06
20K
12.43 mi11:39:541:24:046:4620:54
6:44
+0:03
HALF
13.11 mi11:44:271:28:376:464:33
6:41
-0:03
25K
15.53 mi12:00:411:44:516:4516:14
6:42
+0:01
30K
18.64 mi12:21:242:05:346:4520:43
6:41
-0:01
20M
20.00 mi12:30:222:14:326:448:58
6:37
-0:04
21M
21.00 mi12:37:042:21:146:446:42
6:42
+0:05
35K
21.75 mi12:41:502:26:006:434:46
6:23
-0:19
23M
23.00 mi12:49:532:34:036:428:03
6:26
+0:03
24M
24.00 mi12:56:082:40:186:416:15
6:15
-0:11
40K
24.85 mi13:01:332:45:436:415:25
6:21
+0:06
25.2M
25.20 mi13:03:542:48:046:412:21
6:49
+0:28
FINISH
26.22 mi13:10:062:54:166:406:12
6:06
-0:43

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

6:06 /mi

Average Pace

6:39 /mi

Slowest Pace

6:53 /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

1:48:36

62% of race

Time at Steady Pace

1:05:40

38% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:39 /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 mi10:37:1221:226:5321:22
6:53
#7558
10K
6.21 mi10:58:1542:256:5021:03
6:47
#7144
15K
9.32 mi11:19:001:03:106:4720:45
6:41
#6619
20K
12.43 mi11:39:541:24:046:4620:54
6:44
#6292
HALF
13.11 mi11:44:271:28:376:464:33
6:41
#6252
25K
15.53 mi12:00:411:44:516:4516:14
6:42
#5984
30K
18.64 mi12:21:242:05:346:4520:43
6:41
#5410
20M
20.00 mi12:30:222:14:326:448:58
6:37
#5155
21M
21.00 mi12:37:042:21:146:446:42
6:42
#4915
35K
21.75 mi12:41:502:26:006:434:46
6:23
#4794
23M
23.00 mi12:49:532:34:036:428:03
6:26
#4548
24M
24.00 mi12:56:082:40:186:416:15
6:15
#4362
40K
24.85 mi13:01:332:45:436:415:25
6:21
#4195
25.2M
25.20 mi13:03:542:48:046:412:21
6:49
#4127
FINISH
26.22 mi13:10:062:54:166:406:12
6:06
#3983
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi75589339335670(Top 20%)465(Top 4%)465(Top 8%)
10K6.21 mi3.10 mi7144+414813+120813+1206731(Top 23%)714(Top 6%)714(Top 12%)
15K9.32 mi3.11 mi6619+525678+135678+1355670(Top 20%)465(Top 4%)465(Top 8%)
20K12.43 mi3.11 mi6292+327596+82596+825463(Top 19%)448(Top 4%)448(Top 8%)
HALF13.11 mi0.68 mi6252+40592+4592+46005(Top 21%)564(Top 4%)564(Top 10%)
25K15.53 mi2.42 mi5984+268537+55537+554869(Top 17%)365(Top 3%)365(Top 6%)
30K18.64 mi3.11 mi5410+574428+109428+1093519(Top 12%)212(Top 2%)212(Top 4%)
20M20.00 mi1.36 mi5155+255387+41387+412963(Top 10%)171(Top 1%)171(Top 3%)
21M21.00 mi1.00 mi4915+240356+31356+312059(Top 7%)95(Top 0.8%)95(Top 2%)
35K21.75 mi0.75 mi4794+121341+15341+152908(Top 10%)192(Top 2%)192(Top 3%)
23M23.00 mi1.25 mi4548+246319+22319+222135(Top 7%)115(Top 0.9%)115(Top 2%)
24M24.00 mi1.00 mi4362+186304+15304+152014(Top 7%)116(Top 0.9%)116(Top 2%)
40K24.85 mi0.85 mi4195+167276+28276+281900(Top 7%)118(Top 0.9%)118(Top 2%)
25.2M25.20 mi0.35 mi4127+68270+6270+61987(Top 7%)142(Top 1%)142(Top 2%)
FINISH26.22 mi1.02 mi3983+144261+9261+92015(Top 7%)149(Top 1%)149(Top 3%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21
+97ft-345ft

Overall

5670

Females

465

F18-39

465

5K→10K

3.1 - 6.2 mi

Top 23%
×5
+79ft-138ft

Overall

6731

Females

714

F18-39

714

10K→15K

6.2 - 9.3 mi

Top 20%
×3
+67ft-78ft

Overall

5670

Females

465

F18-39

465

15K→20K

9.3 - 12.4 mi

Top 19%
×5
+106ft-86ft

Overall

5463

Females

448

F18-39

448

20K→HALF

12.4 - 13.1 mi

Top 21%
×2
+19ft-37ft

Overall

6005

Females

564

F18-39

564

HALF→25K

13.1 - 15.5 mi

Top 17%
×4
+66ft-88ft

Overall

4869

Females

365

F18-39

365

25K→30K

15.5 - 18.6 mi

Top 12%
×9
+181ft-148ft

Overall

3519

Females

212

F18-39

212

30K→20M

18.6 - 20.0 mi

Top 10%
×5
+64ft-50ft

Overall

2963

Females

171

F18-39

171

20M→21M

20.0 - 21.0 mi

Top 7%
×8
+106ft-24ft

Overall

2059

Females

95

F18-39

95

21M→35K

21.0 - 21.8 mi

Top 10%
×7
+17ft-86ft

Overall

2908

Females

192

F18-39

192

35K→23M

21.8 - 23.0 mi

Top 7%
×5
+23ft-63ft

Overall

2135

Females

115

F18-39

115

23M→24M

23.0 - 24.0 mi

Top 7%
×6
+12ft-82ft

Overall

2014

Females

116

F18-39

116

24M→40K

24.0 - 24.9 mi

Top 7%
×1
+6ft-20ft

Overall

1900

Females

118

F18-39

118

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1
+13ft-16ft

Overall

1987

Females

142

F18-39

142

25.2M→FINISH

25.2 - 26.2 mi

Top 7%
×2
+22ft-21ft

Overall

2015

Females

149

F18-39

149

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3704*
Passed By
129
Net Change
+3575
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7558
5K → 10K477*63+414#7558#7144
10K → 15K539*14+525#7144#6619
15K → 20K340*13+327#6619#6292
20K → HALF5212+40#6292#6252
HALF → 25K279*11+268#6252#5984
25K → 30K576*2+574#5984#5410
30K → 20M256*1+255#5410#5155
20M → 21M241*1+240#5155#4915
21M → 35K1210+121#4915#4794
35K → 23M249*3+246#4794#4548
23M → 24M1893+186#4548#4362
24M → 40K1670+167#4362#4195
40K → 25.2M691+68#4195#4127
25.2M → FINISH1495+144#4127#3983
TOTALS3704*129+3575

* 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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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