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BOSTON MARATHON 2023

Chelsey Youngberg

Bib: 7083•F

MN

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 10%
Gender (Female)
#0 / 11423
Top 1%
Division (F18-39)
#0 / 4884
Top 2%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:50
Rank: #3737
Start → 5K
20:50 | 6:42/mi
10K· 6.21 mi
41:37
Rank: #3962 (-225)
5K → 10K
20:47 | 6:41/mi
15K· 9.32 mi
1:02:28
Rank: #4044 (-82)
10K → 15K
20:51 | 6:43/mi
20K· 12.43 mi
1:23:17
Rank: #3888 (+156)
15K → 20K
20:49 | 6:42/mi
Half· 13.11 mi
1:27:47
Rank: #3868 (+20)
20K → Half
4:30 | 6:36/mi
25K· 15.53 mi
1:43:53
Rank: #3660 (+208)
Half → 25K
16:06 | 6:38/mi
30K· 18.64 mi
2:04:38
Rank: #3339 (+321)
25K → 30K
20:45 | 6:41/mi
20M
2:13:39
Rank: #3169 (+170)
30K → 20M
9:01 | 6:38/mi
21M
2:20:35
Rank: #3054 (+115)
20M → 21M
6:56 | 6:56/mi
35K· 21.75 mi
2:25:28
Rank: #3020 (+34)
21M → 35K
4:53 | 6:32/mi
23M
2:33:50
Rank: #2910 (+110)
35K → 23M
8:22 | 6:41/mi
24M
2:40:15
Rank: #2831 (+79)
23M → 24M
6:25 | 6:25/mi
40K· 24.85 mi
2:45:47
Rank: #2722 (+109)
24M → 40K
5:32 | 6:28/mi
25.2M
2:48:05
Rank: #2660 (+62)
40K → 25.2M
2:18 | 6:40/mi
Finish· 26.22 mi
2:54:18
Rank: #2540 (+120)
25.2M → Finish
6:13 | 6:06/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:27:47
Pace6:42 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:26:31
Pace6:36 /mi
📊Negative Split: 1.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:5820:506:4220:50
6:42
-
10K
6.21 mi10:44:4541:376:4220:47
6:41
-0:01
15K
9.32 mi11:05:361:02:286:4220:51
6:43
+0:02
20K
12.43 mi11:26:251:23:176:4220:49
6:42
-0:01
Half
13.11 mi11:30:551:27:476:424:30
6:36
-0:06
25K
15.53 mi11:47:011:43:536:4116:06
6:38
+0:02
30K
18.64 mi12:07:462:04:386:4120:45
6:41
+0:03
20M
20.00 mi12:16:472:13:396:419:01
6:38
-0:03
21M
21.00 mi12:23:432:20:356:426:56
6:56
+0:18
35K
21.75 mi12:28:362:25:286:414:53
6:32
-0:24
23M
23.00 mi12:36:582:33:506:418:22
6:41
+0:09
24M
24.00 mi12:43:232:40:156:416:25
6:25
-0:16
40K
24.85 mi12:48:552:45:476:405:32
6:28
+0:03
25.2M
25.20 mi12:51:132:48:056:402:18
6:40
+0:12
Finish
26.22 mi12:57:262:54:186:396:13
6:06
-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

6:06 /mi

Average Pace

6:39 /mi

Slowest Pace

6:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:26:31

84% of race

Time at Steady Pace

27:47

16% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:39 /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 mi10:23:5820:506:4220:50
6:42
#3737
10K
6.21 mi10:44:4541:376:4220:47
6:41
#3962
15K
9.32 mi11:05:361:02:286:4220:51
6:43
#4044
20K
12.43 mi11:26:251:23:176:4220:49
6:42
#3888
Half
13.11 mi11:30:551:27:476:424:30
6:36
#3868
25K
15.53 mi11:47:011:43:536:4116:06
6:38
#3660
30K
18.64 mi12:07:462:04:386:4120:45
6:41
#3339
20M
20.00 mi12:16:472:13:396:419:01
6:38
#3169
21M
21.00 mi12:23:432:20:356:426:56
6:56
#3054
35K
21.75 mi12:28:362:25:286:414:53
6:32
#3020
23M
23.00 mi12:36:582:33:506:418:22
6:41
#2910
24M
24.00 mi12:43:232:40:156:416:25
6:25
#2831
40K
24.85 mi12:48:552:45:476:405:32
6:28
#2722
25.2M
25.20 mi12:51:132:48:056:402:18
6:40
#2660
Finish
26.22 mi12:57:262:54:186:396:13
6:06
#2540
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi37372202204255(Top 16%)260(Top 2%)260(Top 5%)
10K6.21 mi3.10 mi3962-225227-7227-74252(Top 16%)262(Top 2%)262(Top 5%)
15K9.32 mi3.11 mi4044-82236-9236-94255(Top 16%)260(Top 2%)260(Top 5%)
20K12.43 mi3.11 mi3888+156220+16220+163605(Top 14%)191(Top 2%)191(Top 4%)
Half13.11 mi0.68 mi3868+20216+4216+43470(Top 13%)170(Top 1%)170(Top 3%)
25K15.53 mi2.42 mi3660+208195+21195+212958(Top 11%)133(Top 1%)133(Top 3%)
30K18.64 mi3.11 mi3339+321167+28167+282311(Top 9%)107(Top 0.9%)107(Top 2%)
20M20.00 mi1.36 mi3169+170154+13154+132032(Top 8%)94(Top 0.8%)94(Top 2%)
21M21.00 mi1.00 mi3054+115150+4150+41902(Top 7%)94(Top 0.8%)94(Top 2%)
35K21.75 mi0.75 mi3020+34146+4146+42626(Top 10%)143(Top 1%)143(Top 3%)
23M23.00 mi1.25 mi2910+110139+7139+72129(Top 8%)115(Top 1%)115(Top 2%)
24M24.00 mi1.00 mi2831+79136+3136+31775(Top 7%)100(Top 0.9%)100(Top 2%)
40K24.85 mi0.85 mi2722+109128+8128+81468(Top 6%)82(Top 0.7%)82(Top 2%)
25.2M25.20 mi0.35 mi2660+62123+5123+5878(Top 3%)44(Top 0.4%)44(Top 0.9%)
Finish26.22 mi1.02 mi2540+120116+7116+71007(Top 4%)48(Top 0.4%)48(Top 1.0%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4255

Females

260

F18-39

260

5K→10K

3.1 - 6.2 mi

Top 16%
×5stories
+79ft-138ft

Overall

4252

Females

262

F18-39

262

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4255

Females

260

F18-39

260

15K→20K

9.3 - 12.4 mi

Top 14%
×5stories
+106ft-86ft

Overall

3605

Females

191

F18-39

191

20K→Half

12.4 - 13.1 mi

Top 13%
×2stories
+19ft-37ft

Overall

3470

Females

170

F18-39

170

Half→25K

13.1 - 15.5 mi

Top 11%
×4stories
+66ft-88ft

Overall

2958

Females

133

F18-39

133

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2311

Females

107

F18-39

107

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2032

Females

94

F18-39

94

20M→21M

20.0 - 21.0 mi

Top 7%
×8stories
+106ft-24ft

Overall

1902

Females

94

F18-39

94

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2626

Females

143

F18-39

143

35K→23M

21.8 - 23.0 mi

Top 8%
×5stories
+23ft-63ft

Overall

2129

Females

115

F18-39

115

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

1775

Females

100

F18-39

100

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1468

Females

82

F18-39

82

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

878

Females

44

F18-39

44

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

1007

Females

48

F18-39

48

Passing Analysis

Category:
Athletes Passed
1835
Passed By
638
Net Change
+1197
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3737
5K → 10K128353-225#3737#3962
10K → 15K85167-82#3962#4044
15K → 20K20549+156#4044#3888
20K → Half3010+20#3888#3868
Half → 25K22012+208#3868#3660
25K → 30K3276+321#3660#3339
30K → 20M1722+170#3339#3169
20M → 21M1227+115#3169#3054
21M → 35K439+34#3054#3020
35K → 23M1177+110#3020#2910
23M → 24M9112+79#2910#2831
24M → 40K1123+109#2831#2722
40K → 25.2M620+62#2722#2660
25.2M → Finish1211+120#2660#2540
TOTALS1835638+1197
📊

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