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BOSTON MARATHON 2023

Erika Charnley

Bib: 12630•F

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 32%
Gender (Female)
#0 / 11423
Top 13%
Division (F18-39)
#0 / 4884
Top 24%
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
7:38/mi
23:44
↑ 97↓ 3451.5%
10K· 6.21 mi
7:32/mi
47:09
↑ 79↓ 1380.4%
15K· 9.32 mi
7:33/mi
1:10:37
↑ 67↓ 78
20K· 12.43 mi
7:35/mi
1:34:10
↑ 106↓ 860.1%
Half· 13.11 mi
7:27/mi
1:39:15
↑ 19↓ 370.5%
25K· 15.53 mi
7:30/mi
1:57:26
↑ 66↓ 880.2%
30K· 18.64 mi
7:35/mi
2:21:01
↑ 181↓ 1480.2%
20M
7:31/mi
2:31:14
↑ 64↓ 500.2%
21M
7:56/mi
2:39:10
↑ 106↓ 241.6%
35K· 21.75 mi
7:16/mi
2:44:36
↑ 17↓ 861.7%
23M
7:34/mi
2:54:05
↑ 23↓ 630.6%
24M
7:24/mi
3:01:29
↓ 821.3%
40K· 24.85 mi
7:33/mi
3:07:56
↓ 200.3%
25.2M
8:04/mi
3:10:43
↑ 13↓ 160.2%
Finish· 26.22 mi
7:16/mi
3:18:07
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:39:15
Pace7:34 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:38:52
Pace7:33 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:1423:447:3823:44
7:38
-
10K
6.21 mi11:37:3947:097:3523:25
7:32
-0:06
15K
9.32 mi12:01:071:10:377:3523:28
7:33
+0:01
20K
12.43 mi12:24:401:34:107:3523:33
7:35
+0:02
Half
13.11 mi12:29:451:39:157:345:05
7:27
-0:08
25K
15.53 mi12:47:561:57:267:3418:11
7:30
+0:03
30K
18.64 mi13:11:312:21:017:3423:35
7:35
+0:05
20M
20.00 mi13:21:442:31:147:3410:13
7:31
-0:04
21M
21.00 mi13:29:402:39:107:357:56
7:56
+0:25
35K
21.75 mi13:35:062:44:367:345:26
7:16
-0:40
23M
23.00 mi13:44:352:54:057:349:29
7:34
+0:18
24M
24.00 mi13:51:593:01:297:347:24
7:24
-0:10
40K
24.85 mi13:58:263:07:567:346:27
7:33
+0:09
25.2M
25.20 mi14:01:133:10:437:342:47
8:04
+0:31
Finish
26.22 mi14:08:373:18:077:347:24
7:16
-0:48

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

7:16 /mi

Average Pace

7:34 /mi

Slowest Pace

8:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:15:20

99% of race

Time at Steady Pace

2:47

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:33 /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 mi11:14:1423:447:3823:44
7:38
#10922
10K
6.21 mi11:37:3947:097:3523:25
7:32
#10820
15K
9.32 mi12:01:071:10:377:3523:28
7:33
#10728
20K
12.43 mi12:24:401:34:107:3523:33
7:35
#10492
Half
13.11 mi12:29:451:39:157:345:05
7:27
#10468
25K
15.53 mi12:47:561:57:267:3418:11
7:30
#10138
30K
18.64 mi13:11:312:21:017:3423:35
7:35
#9701
20M
20.00 mi13:21:442:31:147:3410:13
7:31
#9460
21M
21.00 mi13:29:402:39:107:357:56
7:56
#9264
35K
21.75 mi13:35:062:44:367:345:26
7:16
#9147
23M
23.00 mi13:44:352:54:057:349:29
7:34
#8991
24M
24.00 mi13:51:593:01:297:347:24
7:24
#8868
40K
24.85 mi13:58:263:07:567:346:27
7:33
#8793
25.2M
25.20 mi14:01:133:10:437:342:47
8:04
#8737
Finish
26.22 mi14:08:373:18:077:347:24
7:16
#8640
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi109222288228810607(Top 40%)2132(Top 19%)2132(Top 44%)
10K6.21 mi3.10 mi10820+1022232+562232+5610786(Top 41%)2192(Top 19%)2192(Top 45%)
15K9.32 mi3.11 mi10728+922186+462186+4610607(Top 40%)2132(Top 19%)2132(Top 44%)
20K12.43 mi3.11 mi10492+2362066+1202066+1209949(Top 37%)1889(Top 17%)1889(Top 39%)
Half13.11 mi0.68 mi10468+242054+122054+129860(Top 37%)1815(Top 16%)1815(Top 37%)
25K15.53 mi2.42 mi10138+3301919+1351919+1358803(Top 33%)1482(Top 13%)1482(Top 30%)
30K18.64 mi3.11 mi9701+4371761+1581761+1587894(Top 30%)1266(Top 11%)1266(Top 26%)
20M20.00 mi1.36 mi9460+2411691+701691+706945(Top 26%)1013(Top 9%)1013(Top 21%)
21M21.00 mi1.00 mi9264+1961642+491642+496958(Top 26%)1118(Top 10%)1118(Top 23%)
35K21.75 mi0.75 mi9147+1171609+331609+336950(Top 26%)1091(Top 10%)1091(Top 22%)
23M23.00 mi1.25 mi8991+1561564+451564+456944(Top 26%)1156(Top 10%)1156(Top 24%)
24M24.00 mi1.00 mi8868+1231547+171547+177094(Top 27%)1323(Top 12%)1323(Top 27%)
40K24.85 mi0.85 mi8793+751534+131534+137012(Top 26%)1373(Top 12%)1373(Top 28%)
25.2M25.20 mi0.35 mi8737+561524+101524+106982(Top 26%)1405(Top 12%)1405(Top 29%)
Finish26.22 mi1.02 mi8640+971499+251499+256875(Top 26%)1380(Top 12%)1380(Top 28%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21story building
+97ft-345ft

Overall

10607

Females

2132

F18-39

2132

5K→10K

3.1 - 6.2 mi

Top 41%
×5story building
+79ft-138ft

Overall

10786

Females

2192

F18-39

2192

10K→15K

6.2 - 9.3 mi

Top 40%
×3story building
+67ft-78ft

Overall

10607

Females

2132

F18-39

2132

15K→20K

9.3 - 12.4 mi

Top 37%
×5story building
+106ft-86ft

Overall

9949

Females

1889

F18-39

1889

20K→Half

12.4 - 13.1 mi

Top 37%
×2story building
+19ft-37ft

Overall

9860

Females

1815

F18-39

1815

Half→25K

13.1 - 15.5 mi

Top 33%
×4story building
+66ft-88ft

Overall

8803

Females

1482

F18-39

1482

25K→30K

15.5 - 18.6 mi

Top 30%
×9story building
+181ft-148ft

Overall

7894

Females

1266

F18-39

1266

30K→20M

18.6 - 20.0 mi

Top 26%
×5story building
+64ft-50ft

Overall

6945

Females

1013

F18-39

1013

20M→21M

20.0 - 21.0 mi

Top 26%
×8story building
+106ft-24ft

Overall

6958

Females

1118

F18-39

1118

21M→35K

21.0 - 21.8 mi

Top 26%
×7story building
+17ft-86ft

Overall

6950

Females

1091

F18-39

1091

35K→23M

21.8 - 23.0 mi

Top 26%
×5story building
+23ft-63ft

Overall

6944

Females

1156

F18-39

1156

23M→24M

23.0 - 24.0 mi

Top 27%
×6story building
+12ft-82ft

Overall

7094

Females

1323

F18-39

1323

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

7012

Females

1373

F18-39

1373

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

6982

Females

1405

F18-39

1405

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2story building
+22ft-21ft

Overall

6875

Females

1380

F18-39

1380

Passing Analysis

Category:
Athletes Passed
2862*
Passed By
580
Net Change
+2282
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10922
5K → 10K343241+102#10922#10820
10K → 15K229137+92#10820#10728
15K → 20K29761+236#10728#10492
20K → Half4824+24#10492#10468
Half → 25K34313+330#10468#10138
25K → 30K450*13+437#10138#9701
30K → 20M2443+241#9701#9460
20M → 21M2048+196#9460#9264
21M → 35K1192+117#9264#9147
35K → 23M17216+156#9147#8991
23M → 24M13815+123#8991#8868
24M → 40K9520+75#8868#8793
40K → 25.2M648+56#8793#8737
25.2M → Finish11619+97#8737#8640
TOTALS2862*580+2282

* 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