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BOSTON MARATHON 2023

Ellis Mumford

Bib: 15609•F

VA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 37%
Gender (Female)
#0 / 11423
Top 18%
Division (F18-39)
#0 / 4884
Top 32%
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
7:39/mi
23:45
↑ 97↓ 3451.5%
10K· 6.21 mi
7:38/mi
47:29
↑ 79↓ 1380.4%
15K· 9.32 mi
7:37/mi
1:11:10
↑ 67↓ 78
20K· 12.43 mi
7:41/mi
1:35:01
↑ 106↓ 860.1%
Half· 13.11 mi
7:36/mi
1:40:12
↑ 19↓ 370.5%
25K· 15.53 mi
7:38/mi
1:58:43
↑ 66↓ 880.2%
30K· 18.64 mi
7:50/mi
2:23:02
↑ 181↓ 1480.2%
20M
7:46/mi
2:33:35
↑ 64↓ 500.2%
21M
8:07/mi
2:41:42
↑ 106↓ 241.6%
35K· 21.75 mi
7:36/mi
2:47:23
↑ 17↓ 861.7%
23M
7:56/mi
2:57:19
↑ 23↓ 630.6%
24M
7:51/mi
3:05:10
↓ 821.3%
40K· 24.85 mi
7:57/mi
3:11:58
↓ 200.3%
25.2M
8:19/mi
3:14:50
↑ 13↓ 160.2%
Finish· 26.22 mi
7:26/mi
3:22:24
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:12
Pace7:39 /mi
2nd Half
Distance13.11 mi
Time1:42:12
Pace7:48 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:1923:457:3923:45
7:39
-
10K
6.21 mi11:18:0347:297:3923:44
7:38
-0:01
15K
9.32 mi11:41:441:11:107:3823:41
7:37
-0:01
20K
12.43 mi12:05:351:35:017:3923:51
7:41
+0:04
Half
13.11 mi12:10:461:40:127:395:11
7:36
-0:05
25K
15.53 mi12:29:171:58:437:3918:31
7:38
+0:02
30K
18.64 mi12:53:362:23:027:4024:19
7:50
+0:12
20M
20.00 mi13:04:092:33:357:4110:33
7:46
-0:04
21M
21.00 mi13:12:162:41:427:428:07
8:07
+0:21
35K
21.75 mi13:17:572:47:237:425:41
7:36
-0:31
23M
23.00 mi13:27:532:57:197:439:56
7:56
+0:20
24M
24.00 mi13:35:443:05:107:437:51
7:51
-0:05
40K
24.85 mi13:42:323:11:587:436:48
7:57
+0:06
25.2M
25.20 mi13:45:243:14:507:442:52
8:19
+0:22
Finish
26.22 mi13:52:583:22:247:447:34
7:26
-0:53

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

7:26 /mi

Average Pace

7:44 /mi

Slowest Pace

8:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:19:32

99% of race

Time at Steady Pace

2:52

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:43 /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 mi10:54:1923:457:3923:45
7:39
#10977
10K
6.21 mi11:18:0347:297:3923:44
7:38
#11285
15K
9.32 mi11:41:441:11:107:3823:41
7:37
#11251
20K
12.43 mi12:05:351:35:017:3923:51
7:41
#11075
Half
13.11 mi12:10:461:40:127:395:11
7:36
#11072
25K
15.53 mi12:29:171:58:437:3918:31
7:38
#10841
30K
18.64 mi12:53:362:23:027:4024:19
7:50
#10554
20M
20.00 mi13:04:092:33:357:4110:33
7:46
#10402
21M
21.00 mi13:12:162:41:427:428:07
8:07
#10217
35K
21.75 mi13:17:572:47:237:425:41
7:36
#10165
23M
23.00 mi13:27:532:57:197:439:56
7:56
#10091
24M
24.00 mi13:35:443:05:107:437:51
7:51
#10071
40K
24.85 mi13:42:323:11:587:436:48
7:57
#10026
25.2M
25.20 mi13:45:243:14:507:442:52
8:19
#9979
Finish
26.22 mi13:52:583:22:247:447:34
7:26
#9854
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi109772314231411204(Top 42%)2459(Top 22%)2459(Top 50%)
10K6.21 mi3.10 mi11285-3082484-1702484-17011688(Top 44%)2688(Top 24%)2688(Top 55%)
15K9.32 mi3.11 mi11251+342464+202464+2011204(Top 42%)2459(Top 22%)2459(Top 50%)
20K12.43 mi3.11 mi11075+1762367+972367+9710733(Top 40%)2270(Top 20%)2270(Top 46%)
Half13.11 mi0.68 mi11072+32368-12368-111028(Top 41%)2370(Top 21%)2370(Top 49%)
25K15.53 mi2.42 mi10841+2312271+972271+979839(Top 37%)1936(Top 17%)1936(Top 40%)
30K18.64 mi3.11 mi10554+2872181+902181+909579(Top 36%)1957(Top 17%)1957(Top 40%)
20M20.00 mi1.36 mi10402+1522120+612120+618613(Top 32%)1646(Top 14%)1646(Top 34%)
21M21.00 mi1.00 mi10217+1852053+672053+678146(Top 31%)1584(Top 14%)1584(Top 32%)
35K21.75 mi0.75 mi10165+522039+142039+149295(Top 35%)2048(Top 18%)2048(Top 42%)
23M23.00 mi1.25 mi10091+742043-42043-49321(Top 35%)2181(Top 19%)2181(Top 45%)
24M24.00 mi1.00 mi10071+202063-202063-2010174(Top 38%)2667(Top 23%)2667(Top 55%)
40K24.85 mi0.85 mi10026+452072-92072-99750(Top 37%)2526(Top 22%)2526(Top 52%)
25.2M25.20 mi0.35 mi9979+472069+32069+38456(Top 32%)2007(Top 18%)2007(Top 41%)
Finish26.22 mi1.02 mi9854+1252027+422027+427997(Top 30%)1827(Top 16%)1827(Top 37%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21story building
+97ft-345ft

Overall

11204

Females

2459

F18-39

2459

5K→10K

3.1 - 6.2 mi

Top 44%
×5story building
+79ft-138ft

Overall

11688

Females

2688

F18-39

2688

10K→15K

6.2 - 9.3 mi

Top 42%
×3story building
+67ft-78ft

Overall

11204

Females

2459

F18-39

2459

15K→20K

9.3 - 12.4 mi

Top 40%
×5story building
+106ft-86ft

Overall

10733

Females

2270

F18-39

2270

20K→Half

12.4 - 13.1 mi

Top 41%
×2story building
+19ft-37ft

Overall

11028

Females

2370

F18-39

2370

Half→25K

13.1 - 15.5 mi

Top 37%
×4story building
+66ft-88ft

Overall

9839

Females

1936

F18-39

1936

25K→30K

15.5 - 18.6 mi

Top 36%
×9story building
+181ft-148ft

Overall

9579

Females

1957

F18-39

1957

30K→20M

18.6 - 20.0 mi

Top 32%
×5story building
+64ft-50ft

Overall

8613

Females

1646

F18-39

1646

20M→21M

20.0 - 21.0 mi

Top 31%
×8story building
+106ft-24ft

Overall

8146

Females

1584

F18-39

1584

21M→35K

21.0 - 21.8 mi

Top 35%
×7story building
+17ft-86ft

Overall

9295

Females

2048

F18-39

2048

35K→23M

21.8 - 23.0 mi

Top 35%
×5story building
+23ft-63ft

Overall

9321

Females

2181

F18-39

2181

23M→24M

23.0 - 24.0 mi

Top 38%
×6story building
+12ft-82ft

Overall

10174

Females

2667

F18-39

2667

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

9750

Females

2526

F18-39

2526

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

8456

Females

2007

F18-39

2007

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2story building
+22ft-21ft

Overall

7997

Females

1827

F18-39

1827

Passing Analysis

Category:
Athletes Passed
2160*
Passed By
1036
Net Change
+1123
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10977
5K → 10K172480-308#10977#11285
10K → 15K195161+34#11285#11251
15K → 20K25377+176#11251#11075
20K → Half2926+3#11075#11072
Half → 25K25423+231#11072#10841
25K → 30K34154+287#10841#10554
30K → 20M166*14+152#10554#10402
20M → 21M19712+185#10402#10217
21M → 35K6816+52#10217#10165
35K → 23M12248+74#10165#10091
23M → 24M8160+20#10091#10071
24M → 40K7732+45#10071#10026
40K → 25.2M58*11+47#10026#9979
25.2M → Finish147*22+125#9979#9854
TOTALS2160*1036+1123

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

📊

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