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BOSTON MARATHON 2023

Emma Grimes

Bib: 2051•F

IL

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 11%
Gender (Female)
#0 / 11423
Top 1%
Division (F18-39)
#0 / 4884
Top 2%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:45/mi
20:59
↑ 97↓ 3451.5%
10K· 6.21 mi
6:41/mi
41:44
↑ 79↓ 1380.4%
15K· 9.32 mi
6:44/mi
1:02:40
↑ 67↓ 78
20K· 12.43 mi
6:48/mi
1:23:47
↑ 106↓ 860.1%
Half· 13.11 mi
6:39/mi
1:28:19
↑ 19↓ 370.5%
25K· 15.53 mi
6:44/mi
1:44:38
↑ 66↓ 880.2%
30K· 18.64 mi
6:50/mi
2:05:53
↑ 181↓ 1480.2%
20M
6:42/mi
2:14:59
↑ 64↓ 500.2%
21M
7:02/mi
2:22:01
↑ 106↓ 241.6%
35K· 21.75 mi
6:13/mi
2:26:40
↑ 17↓ 861.7%
23M
6:29/mi
2:34:47
↑ 23↓ 630.6%
24M
6:16/mi
2:41:03
↓ 821.3%
40K· 24.85 mi
6:28/mi
2:46:35
↓ 200.3%
25.2M
6:58/mi
2:48:59
↑ 13↓ 160.2%
Finish· 26.22 mi
6:24/mi
2:55:30
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:28:19
Pace6:44 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:27:11
Pace6:39 /mi
📊Negative Split: 1.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:2520:596:4520:59
6:45
-
10K
6.21 mi10:43:1041:446:4320:45
6:41
-0:04
15K
9.32 mi11:04:061:02:406:4320:56
6:44
+0:03
20K
12.43 mi11:25:131:23:476:4521:07
6:48
+0:04
Half
13.11 mi11:29:451:28:196:444:32
6:39
-0:09
25K
15.53 mi11:46:041:44:386:4416:19
6:44
+0:05
30K
18.64 mi12:07:192:05:536:4521:15
6:50
+0:06
20M
20.00 mi12:16:252:14:596:459:06
6:42
-0:08
21M
21.00 mi12:23:272:22:016:467:02
7:02
+0:20
35K
21.75 mi12:28:062:26:406:454:39
6:13
-0:49
23M
23.00 mi12:36:132:34:476:448:07
6:29
+0:16
24M
24.00 mi12:42:292:41:036:436:16
6:16
-0:13
40K
24.85 mi12:48:012:46:356:425:32
6:28
+0:12
25.2M
25.20 mi12:50:252:48:596:422:24
6:58
+0:30
Finish
26.22 mi12:56:562:55:306:426:31
6:24
-0:34

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

6:13 /mi

Average Pace

6:42 /mi

Slowest Pace

7:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:46:04

95% of race

Time at Steady Pace

9:26

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:42 /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 mi10:22:2520:596:4520:59
6:45
#4208
10K
6.21 mi10:43:1041:446:4320:45
6:41
#4162
15K
9.32 mi11:04:061:02:406:4320:56
6:44
#4257
20K
12.43 mi11:25:131:23:476:4521:07
6:48
#4280
Half
13.11 mi11:29:451:28:196:444:32
6:39
#4248
25K
15.53 mi11:46:041:44:386:4416:19
6:44
#4106
30K
18.64 mi12:07:192:05:536:4521:15
6:50
#3884
20M
20.00 mi12:16:252:14:596:459:06
6:42
#3697
21M
21.00 mi12:23:272:22:016:467:02
7:02
#3565
35K
21.75 mi12:28:062:26:406:454:39
6:13
#3396
23M
23.00 mi12:36:132:34:476:448:07
6:29
#3202
24M
24.00 mi12:42:292:41:036:436:16
6:16
#3047
40K
24.85 mi12:48:012:46:356:425:32
6:28
#2934
25.2M
25.20 mi12:50:252:48:596:422:24
6:58
#2892
Finish
26.22 mi12:56:562:55:306:426:31
6:24
#2820
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi42082602604511(Top 17%)292(Top 3%)292(Top 6%)
10K6.21 mi3.10 mi4162+46251+9251+94168(Top 16%)252(Top 2%)252(Top 5%)
15K9.32 mi3.11 mi4257-95264-13264-134511(Top 17%)292(Top 3%)292(Top 6%)
20K12.43 mi3.11 mi4280-232642644427(Top 17%)290(Top 3%)290(Top 6%)
Half13.11 mi0.68 mi4248+32263+1263+13908(Top 15%)220(Top 2%)220(Top 5%)
25K15.53 mi2.42 mi4106+142248+15248+153616(Top 14%)203(Top 2%)203(Top 4%)
30K18.64 mi3.11 mi3884+222219+29219+293264(Top 12%)186(Top 2%)186(Top 4%)
20M20.00 mi1.36 mi3697+187202+17202+172287(Top 9%)114(Top 1.0%)114(Top 2%)
21M21.00 mi1.00 mi3565+132188+14188+142342(Top 9%)128(Top 1%)128(Top 3%)
35K21.75 mi0.75 mi3396+169179+9179+91327(Top 5%)68(Top 0.6%)68(Top 1%)
23M23.00 mi1.25 mi3202+194165+14165+141381(Top 5%)71(Top 0.6%)71(Top 1%)
24M24.00 mi1.00 mi3047+155153+12153+121285(Top 5%)69(Top 0.6%)69(Top 1%)
40K24.85 mi0.85 mi2934+113145+8145+81469(Top 6%)83(Top 0.7%)83(Top 2%)
25.2M25.20 mi0.35 mi2892+42143+2143+21694(Top 6%)104(Top 0.9%)104(Top 2%)
Finish26.22 mi1.02 mi2820+72141+2141+22025(Top 8%)137(Top 1%)137(Top 3%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21story building
+97ft-345ft

Overall

4511

Females

292

F18-39

292

5K→10K

3.1 - 6.2 mi

Top 16%
×5story building
+79ft-138ft

Overall

4168

Females

252

F18-39

252

10K→15K

6.2 - 9.3 mi

Top 17%
×3story building
+67ft-78ft

Overall

4511

Females

292

F18-39

292

15K→20K

9.3 - 12.4 mi

Top 17%
×5story building
+106ft-86ft

Overall

4427

Females

290

F18-39

290

20K→Half

12.4 - 13.1 mi

Top 15%
×2story building
+19ft-37ft

Overall

3908

Females

220

F18-39

220

Half→25K

13.1 - 15.5 mi

Top 14%
×4story building
+66ft-88ft

Overall

3616

Females

203

F18-39

203

25K→30K

15.5 - 18.6 mi

Top 12%
×9story building
+181ft-148ft

Overall

3264

Females

186

F18-39

186

30K→20M

18.6 - 20.0 mi

Top 9%
×5story building
+64ft-50ft

Overall

2287

Females

114

F18-39

114

20M→21M

20.0 - 21.0 mi

Top 9%
×8story building
+106ft-24ft

Overall

2342

Females

128

F18-39

128

21M→35K

21.0 - 21.8 mi

Top 5%
×7story building
+17ft-86ft

Overall

1327

Females

68

F18-39

68

35K→23M

21.8 - 23.0 mi

Top 5%
×5story building
+23ft-63ft

Overall

1381

Females

71

F18-39

71

23M→24M

23.0 - 24.0 mi

Top 5%
×6story building
+12ft-82ft

Overall

1285

Females

69

F18-39

69

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1469

Females

83

F18-39

83

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1694

Females

104

F18-39

104

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2story building
+22ft-21ft

Overall

2025

Females

137

F18-39

137

Passing Analysis

Category:
Athletes Passed
1950
Passed By
562
Net Change
+1388
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4208
5K → 10K240194+46#4208#4162
10K → 15K97192-95#4162#4257
15K → 20K85108-23#4257#4280
20K → Half375+32#4280#4248
Half → 25K15917+142#4248#4106
25K → 30K24220+222#4106#3884
30K → 20M1892+187#3884#3697
20M → 21M1353+132#3697#3565
21M → 35K1712+169#3565#3396
35K → 23M1951+194#3396#3202
23M → 24M1561+155#3202#3047
24M → 40K1163+113#3047#2934
40K → 25.2M464+42#2934#2892
25.2M → Finish8210+72#2892#2820
TOTALS1950562+1388
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing