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BOSTON MARATHON 2023

Chelsea Peters

Bib: 15075•F

ME

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 46%
Gender (Female)
#0 / 11423
Top 29%
Masters (Masters Women)
#0 / 6539
Top 16%
Division (F40-44)
#0 / 1878
Top 30%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:16
Rank: #12469
Start → 5K
24:16 | 7:49/mi
10K· 6.21 mi
48:14
Rank: #12386 (+83)
5K → 10K
23:58 | 7:43/mi
15K· 9.32 mi
1:12:09
Rank: #12167 (+219)
10K → 15K
23:55 | 7:42/mi
20K· 12.43 mi
1:36:23
Rank: #12015 (+152)
15K → 20K
24:14 | 7:48/mi
Half· 13.11 mi
1:41:32
Rank: #11949 (+66)
20K → Half
5:09 | 7:33/mi
25K· 15.53 mi
2:00:36
Rank: #11839 (+110)
Half → 25K
19:04 | 7:52/mi
30K· 18.64 mi
2:25:51
Rank: #11812 (+27)
25K → 30K
25:15 | 8:08/mi
20M
2:37:21
Rank: #11944 (-132)
30K → 20M
11:30 | 8:28/mi
21M
2:46:11
Rank: #11978 (-34)
20M → 21M
8:50 | 8:50/mi
35K· 21.75 mi
2:52:16
Rank: #12004 (-26)
21M → 35K
6:05 | 8:08/mi
23M
3:02:55
Rank: #12071 (-67)
35K → 23M
10:39 | 8:30/mi
24M
3:11:22
Rank: #12201 (-130)
23M → 24M
8:27 | 8:27/mi
40K· 24.85 mi
3:19:01
Rank: #12344 (-143)
24M → 40K
7:39 | 8:57/mi
25.2M
3:22:09
Rank: #12359 (-15)
40K → 25.2M
3:08 | 9:05/mi
Finish· 26.22 mi
3:30:14
Rank: #12335 (+24)
25.2M → Finish
8:05 | 7:56/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:32
Pace7:45 /mi
2nd Half
Distance13.11 mi
Time1:48:42
Pace8:18 /mi
📊Positive Split: 7.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:2724:167:4924:16
7:49
-
10K
6.21 mi11:18:2548:147:4623:58
7:43
-0:06
15K
9.32 mi11:42:201:12:097:4423:55
7:42
-0:01
20K
12.43 mi12:06:341:36:237:4524:14
7:48
+0:06
Half
13.11 mi12:11:431:41:327:455:09
7:33
-0:15
25K
15.53 mi12:30:472:00:367:4619:04
7:52
+0:19
30K
18.64 mi12:56:022:25:517:4925:15
8:08
+0:16
20M
20.00 mi13:07:322:37:217:5211:30
8:28
+0:20
21M
21.00 mi13:16:222:46:117:558:50
8:50
+0:22
35K
21.75 mi13:22:272:52:167:556:05
8:08
-0:42
23M
23.00 mi13:33:063:02:557:5710:39
8:30
+0:22
24M
24.00 mi13:41:333:11:227:588:27
8:27
-0:03
40K
24.85 mi13:49:123:19:018:007:39
8:57
+0:30
25.2M
25.20 mi13:52:203:22:098:013:08
9:05
+0:08
Finish
26.22 mi14:00:253:30:148:018:05
7:56
-1:09

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

7:33 /mi

Average Pace

8:01 /mi

Slowest Pace

9:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:00:36

57% of race

Time at Steady Pace

39:25

19% of race

Time at Slower Pace

50:13

24% of race

Average Pace: 8:01 /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 mi10:54:2724:167:4924:16
7:49
#12469
10K
6.21 mi11:18:2548:147:4623:58
7:43
#12386
15K
9.32 mi11:42:201:12:097:4423:55
7:42
#12167
20K
12.43 mi12:06:341:36:237:4524:14
7:48
#12015
Half
13.11 mi12:11:431:41:327:455:09
7:33
#11949
25K
15.53 mi12:30:472:00:367:4619:04
7:52
#11839
30K
18.64 mi12:56:022:25:517:4925:15
8:08
#11812
20M
20.00 mi13:07:322:37:217:5211:30
8:28
#11944
21M
21.00 mi13:16:222:46:117:558:50
8:50
#11978
35K
21.75 mi13:22:272:52:167:556:05
8:08
#12004
23M
23.00 mi13:33:063:02:557:5710:39
8:30
#12071
24M
24.00 mi13:41:333:11:227:588:27
8:27
#12201
40K
24.85 mi13:49:123:19:018:007:39
8:57
#12344
25.2M
25.20 mi13:52:203:22:098:013:08
9:05
#12359
Finish
26.22 mi14:00:253:30:148:018:05
7:56
#12335
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi124693140314011843(Top 44%)2816(Top 25%)2816(Top 150%)
10K6.21 mi3.10 mi12386+833097+433097+4312391(Top 47%)3086(Top 27%)3086(Top 164%)
15K9.32 mi3.11 mi12167+2192989+1082989+10811843(Top 44%)2816(Top 25%)2816(Top 150%)
20K12.43 mi3.11 mi12015+1522921+682921+6811767(Top 44%)2830(Top 25%)2830(Top 151%)
Half13.11 mi0.68 mi11949+662886+352886+3510709(Top 40%)2247(Top 20%)2247(Top 120%)
25K15.53 mi2.42 mi11839+1102835+512835+5111665(Top 44%)2874(Top 25%)2874(Top 153%)
30K18.64 mi3.11 mi11812+272872-372872-3711850(Top 45%)3098(Top 27%)3098(Top 165%)
20M20.00 mi1.36 mi11944-1322964-922964-9213417(Top 50%)4077(Top 36%)4077(Top 217%)
21M21.00 mi1.00 mi11978-343001-373001-3712462(Top 47%)3661(Top 32%)3661(Top 195%)
35K21.75 mi0.75 mi12004-263025-243025-2413013(Top 49%)3999(Top 35%)3999(Top 213%)
23M23.00 mi1.25 mi12071-673097-723097-7213281(Top 50%)4223(Top 37%)4223(Top 225%)
24M24.00 mi1.00 mi12201-1303190-933190-9314192(Top 53%)4778(Top 42%)4778(Top 254%)
40K24.85 mi0.85 mi12344-1433282-923282-9215867(Top 60%)5765(Top 50%)5765(Top 307%)
25.2M25.20 mi0.35 mi12359-153301-193301-1913039(Top 49%)4237(Top 37%)4237(Top 226%)
Finish26.22 mi1.02 mi12335+243311-103311-1011645(Top 44%)3516(Top 31%)3516(Top 187%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21stories
+97ft-345ft

Overall

11843

Females

2816

F40-44

2816

5K→10K

3.1 - 6.2 mi

Top 47%
×5stories
+79ft-138ft

Overall

12391

Females

3086

F40-44

3086

10K→15K

6.2 - 9.3 mi

Top 44%
×3stories
+67ft-78ft

Overall

11843

Females

2816

F40-44

2816

15K→20K

9.3 - 12.4 mi

Top 44%
×5stories
+106ft-86ft

Overall

11767

Females

2830

F40-44

2830

20K→Half

12.4 - 13.1 mi

Top 40%
×2stories
+19ft-37ft

Overall

10709

Females

2247

F40-44

2247

Half→25K

13.1 - 15.5 mi

Top 44%
×4stories
+66ft-88ft

Overall

11665

Females

2874

F40-44

2874

25K→30K

15.5 - 18.6 mi

Top 45%
×9stories
+181ft-148ft

Overall

11850

Females

3098

F40-44

3098

30K→20M

18.6 - 20.0 mi

Top 50%
×5stories
+64ft-50ft

Overall

13417

Females

4077

F40-44

4077

20M→21M

20.0 - 21.0 mi

Top 47%
×8stories
+106ft-24ft

Overall

12462

Females

3661

F40-44

3661

21M→35K

21.0 - 21.8 mi

Top 49%
×7stories
+17ft-86ft

Overall

13013

Females

3999

F40-44

3999

35K→23M

21.8 - 23.0 mi

Top 50%
×5stories
+23ft-63ft

Overall

13281

Females

4223

F40-44

4223

23M→24M

23.0 - 24.0 mi

Top 53%
×6stories
+12ft-82ft

Overall

14192

Females

4778

F40-44

4778

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

15867

Females

5765

F40-44

5765

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

13039

Females

4237

F40-44

4237

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2stories
+22ft-21ft

Overall

11645

Females

3516

F40-44

3516

Passing Analysis

Category:
Athletes Passed
1793
Passed By
1659
Net Change
+134
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12469
5K → 10K363280+83#12469#12386
10K → 15K30687+219#12386#12167
15K → 20K24593+152#12167#12015
20K → Half726+66#12015#11949
Half → 25K19181+110#11949#11839
25K → 30K196169+27#11839#11812
30K → 20M62194-132#11812#11944
20M → 21M81115-34#11944#11978
21M → 35K3864-26#11978#12004
35K → 23M68135-67#12004#12071
23M → 24M30160-130#12071#12201
24M → 40K28171-143#12201#12344
40K → 25.2M2742-15#12344#12359
25.2M → Finish8662+24#12359#12335
TOTALS17931659+134
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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