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BOSTON MARATHON 2026

Rachel Grimm

Bib: 27179•F

MA

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0:00
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Age Group (F18-39)
#0 / 5716
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
37:35
3.11 mi
Rank: #28833
Start → 5K
37:35 | 12:06/mi
10K
1:14:42
6.21 mi
Rank: #28733 (+100)
5K → 10K
37:07 | 11:57/mi
15K
1:51:45
9.32 mi
Rank: #28618 (+115)
10K → 15K
37:03 | 11:56/mi
20K
2:30:14
12.43 mi
Rank: #28533 (+85)
15K → 20K
38:29 | 12:24/mi
HALF
2:38:28
13.11 mi
Rank: #28520 (+13)
20K → HALF
8:14 | 12:05/mi
25K
3:08:53
15.53 mi
Rank: #28432 (+88)
HALF → 25K
30:25 | 12:33/mi
30K
3:47:11
18.64 mi
Rank: #28256 (+176)
25K → 30K
38:18 | 12:20/mi
20M
4:04:12
20.00 mi
Rank: #28187 (+69)
30K → 20M
17:01 | 12:32/mi
21M
4:17:42
21.00 mi
Rank: #28124 (+63)
20M → 21M
13:30 | 13:30/mi
35K
4:26:47
21.75 mi
Rank: #28084 (+40)
21M → 35K
9:05 | 12:09/mi
23M
4:43:43
23.00 mi
Rank: #28088 (-4)
35K → 23M
16:56 | 13:32/mi
24M
4:57:48
24.00 mi
Rank: #28123 (-35)
23M → 24M
14:05 | 14:05/mi
40K
5:10:06
24.85 mi
Rank: #28139 (-16)
24M → 40K
12:18 | 14:24/mi
25.2M
5:15:25
25.20 mi
Rank: #28142 (-3)
40K → 25.2M
5:19 | 15:26/mi
FINISH
5:27:23
26.22 mi
Rank: #28115 (+27)
25.2M → FINISH
11:58 | 11:45/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:38:28
Pace12:06 /mi
2nd Half
Distance13.11 mi
Time2:48:55
Pace12:54 /mi
📊Positive Split: 6.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:59:0837:3512:0637:35
12:06
-
10K
6.21 mi12:36:151:14:4212:0237:07
11:57
-0:09
15K
9.32 mi13:13:181:51:4512:0037:03
11:56
-0:01
20K
12.43 mi13:51:472:30:1412:0638:29
12:24
+0:28
HALF
13.11 mi14:00:012:38:2812:068:14
12:05
-0:19
25K
15.53 mi14:30:263:08:5312:1030:25
12:33
+0:28
30K
18.64 mi15:08:443:47:1112:1238:18
12:20
-0:13
20M
20.00 mi15:25:454:04:1212:1317:01
12:32
+0:12
21M
21.00 mi15:39:154:17:4212:1713:30
13:30
+0:58
35K
21.75 mi15:48:204:26:4712:179:05
12:09
-1:21
23M
23.00 mi16:05:164:43:4312:2116:56
13:32
+1:23
24M
24.00 mi16:19:214:57:4812:2514:05
14:05
+0:33
40K
24.85 mi16:31:395:10:0612:2912:18
14:24
+0:19
25.2M
25.20 mi16:36:585:15:2512:325:19
15:26
+1:02
FINISH
26.22 mi16:48:565:27:2312:3011:58
11:45
-3:41

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

11:45 /mi

Average Pace

12:30 /mi

Slowest Pace

15:26 /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

11:58

4% of race

Time at Steady Pace

4:13:17

77% of race

Time at Slower Pace

1:02:08

19% of race

Average Pace: 12:29 /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 mi11:59:0837:3512:0637:35
12:06
#28833
10K
6.21 mi12:36:151:14:4212:0237:07
11:57
#28733
15K
9.32 mi13:13:181:51:4512:0037:03
11:56
#28618
20K
12.43 mi13:51:472:30:1412:0638:29
12:24
#28533
HALF
13.11 mi14:00:012:38:2812:068:14
12:05
#28520
25K
15.53 mi14:30:263:08:5312:1030:25
12:33
#28432
30K
18.64 mi15:08:443:47:1112:1238:18
12:20
#28256
20M
20.00 mi15:25:454:04:1212:1317:01
12:32
#28187
21M
21.00 mi15:39:154:17:4212:1713:30
13:30
#28124
35K
21.75 mi15:48:204:26:4712:179:05
12:09
#28084
23M
23.00 mi16:05:164:43:4312:2116:56
13:32
#28088
24M
24.00 mi16:19:214:57:4812:2514:05
14:05
#28123
40K
24.85 mi16:31:395:10:0612:2912:18
14:24
#28139
25.2M
25.20 mi16:36:585:15:2512:325:19
15:26
#28142
FINISH
26.22 mi16:48:565:27:2312:3011:58
11:45
#28115
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 mi28833124501245028306(Top 98%)12122(Top 96%)12122(Top 212%)
10K6.21 mi3.10 mi28733+10012383+6712383+6728557(Top 98%)12259(Top 97%)12259(Top 214%)
15K9.32 mi3.11 mi28618+11512296+8712296+8728306(Top 98%)12122(Top 96%)12122(Top 212%)
20K12.43 mi3.11 mi28533+8512244+5212244+5228300(Top 98%)12111(Top 96%)12111(Top 212%)
HALF13.11 mi0.68 mi28520+1312239+512239+528318(Top 98%)12150(Top 97%)12150(Top 213%)
25K15.53 mi2.42 mi28432+8812182+5712182+5727939(Top 96%)11918(Top 95%)11918(Top 209%)
30K18.64 mi3.11 mi28256+17612080+10212080+10227153(Top 94%)11540(Top 92%)11540(Top 202%)
20M20.00 mi1.36 mi28187+6912039+4112039+4126996(Top 93%)11507(Top 91%)11507(Top 201%)
21M21.00 mi1.00 mi28124+6312005+3412005+3426892(Top 93%)11502(Top 91%)11502(Top 201%)
35K21.75 mi0.75 mi28084+4011986+1911986+1926903(Top 93%)11515(Top 92%)11515(Top 201%)
23M23.00 mi1.25 mi28088-411992-611992-627823(Top 96%)11985(Top 95%)11985(Top 210%)
24M24.00 mi1.00 mi28123-3512019-2712019-2728393(Top 98%)12313(Top 98%)12313(Top 215%)
40K24.85 mi0.85 mi28139-1612032-1312032-1328149(Top 97%)12188(Top 97%)12188(Top 213%)
25.2M25.20 mi0.35 mi28142-312036-412036-428163(Top 97%)12215(Top 97%)12215(Top 214%)
FINISH26.22 mi1.02 mi28115+2712025+1112025+1127168(Top 94%)11722(Top 93%)11722(Top 205%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 98%
×21
+97ft-345ft

Overall

28306

Females

12122

F18-39

12122

5K→10K

3.1 - 6.2 mi

Top 98%
×5
+79ft-138ft

Overall

28557

Females

12259

F18-39

12259

10K→15K

6.2 - 9.3 mi

Top 98%
×3
+67ft-78ft

Overall

28306

Females

12122

F18-39

12122

15K→20K

9.3 - 12.4 mi

Top 98%
×5
+106ft-86ft

Overall

28300

Females

12111

F18-39

12111

20K→HALF

12.4 - 13.1 mi

Top 98%
×2
+19ft-37ft

Overall

28318

Females

12150

F18-39

12150

HALF→25K

13.1 - 15.5 mi

Top 96%
×4
+66ft-88ft

Overall

27939

Females

11918

F18-39

11918

25K→30K

15.5 - 18.6 mi

Top 94%
×9
+181ft-148ft

Overall

27153

Females

11540

F18-39

11540

30K→20M

18.6 - 20.0 mi

Top 93%
×5
+64ft-50ft

Overall

26996

Females

11507

F18-39

11507

20M→21M

20.0 - 21.0 mi

Top 93%
×8
+106ft-24ft

Overall

26892

Females

11502

F18-39

11502

21M→35K

21.0 - 21.8 mi

Top 93%
×7
+17ft-86ft

Overall

26903

Females

11515

F18-39

11515

35K→23M

21.8 - 23.0 mi

Top 96%
×5
+23ft-63ft

Overall

27823

Females

11985

F18-39

11985

23M→24M

23.0 - 24.0 mi

Top 98%
×6
+12ft-82ft

Overall

28393

Females

12313

F18-39

12313

24M→40K

24.0 - 24.9 mi

Top 97%
×1
+6ft-20ft

Overall

28149

Females

12188

F18-39

12188

40K→25.2M

24.9 - 25.2 mi

Top 97%
×1
+13ft-16ft

Overall

28163

Females

12215

F18-39

12215

25.2M→FINISH

25.2 - 26.2 mi

Top 94%
×2
+22ft-21ft

Overall

27168

Females

11722

F18-39

11722

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
883
Passed By
165
Net Change
+718
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28833
5K → 10K11010+100#28833#28733
10K → 15K12611+115#28733#28618
15K → 20K9510+85#28618#28533
20K → HALF229+13#28533#28520
HALF → 25K9911+88#28520#28432
25K → 30K1782+176#28432#28256
30K → 20M712+69#28256#28187
20M → 21M685+63#28187#28124
21M → 35K411+40#28124#28084
35K → 23M1822-4#28084#28088
23M → 24M843-35#28088#28123
24M → 40K1228-16#28123#28139
40K → 25.2M47-3#28139#28142
25.2M → FINISH314+27#28142#28115
TOTALS883165+718
📊

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