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BOSTON MARATHON 2023

Jennifer Uehling

Bib: 18013•F

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 47%
Gender (Female)
#0 / 11423
Top 30%
Division (F18-39)
#0 / 4884
Top 48%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:14
Rank: #14876
Start → 5K
25:14 | 8:07/mi
10K· 6.21 mi
50:10
Rank: #14924 (-48)
5K → 10K
24:56 | 8:02/mi
15K· 9.32 mi
1:15:06
Rank: #14803 (+121)
10K → 15K
24:56 | 8:02/mi
20K· 12.43 mi
1:40:01
Rank: #14457 (+346)
15K → 20K
24:55 | 8:01/mi
Half· 13.11 mi
1:45:27
Rank: #14462 (-5)
20K → Half
5:26 | 7:58/mi
25K· 15.53 mi
2:04:53
Rank: #14191 (+271)
Half → 25K
19:26 | 8:01/mi
30K· 18.64 mi
2:30:19
Rank: #13800 (+391)
25K → 30K
25:26 | 8:11/mi
20M
2:41:25
Rank: #13600 (+200)
30K → 20M
11:06 | 8:10/mi
21M
2:49:57
Rank: #13390 (+210)
20M → 21M
8:32 | 8:32/mi
35K· 21.75 mi
2:55:50
Rank: #13294 (+96)
21M → 35K
5:53 | 7:52/mi
23M
3:06:04
Rank: #13122 (+172)
35K → 23M
10:14 | 8:10/mi
24M
3:14:01
Rank: #13005 (+117)
23M → 24M
7:57 | 7:57/mi
40K· 24.85 mi
3:20:49
Rank: #12868 (+137)
24M → 40K
6:48 | 7:57/mi
25.2M
3:23:42
Rank: #12807 (+61)
40K → 25.2M
2:53 | 8:22/mi
Finish· 26.22 mi
3:31:07
Rank: #12574 (+233)
25.2M → Finish
7:25 | 7:17/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:45:27
Pace8:03 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:45:40
Pace8:04 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:2625:148:0725:14
8:07
-
10K
6.21 mi11:41:2250:108:0424:56
8:02
-0:05
15K
9.32 mi12:06:181:15:068:0324:56
8:02
0:00
20K
12.43 mi12:31:131:40:018:0324:55
8:01
-0:01
Half
13.11 mi12:36:391:45:278:035:26
7:58
-0:03
25K
15.53 mi12:56:052:04:538:0219:26
8:01
+0:03
30K
18.64 mi13:21:312:30:198:0425:26
8:11
+0:10
20M
20.00 mi13:32:372:41:258:0411:06
8:10
-0:01
21M
21.00 mi13:41:092:49:578:068:32
8:32
+0:22
35K
21.75 mi13:47:022:55:508:055:53
7:52
-0:40
23M
23.00 mi13:57:163:06:048:0510:14
8:10
+0:18
24M
24.00 mi14:05:133:14:018:057:57
7:57
-0:13
40K
24.85 mi14:12:013:20:498:056:48
7:57
0:00
25.2M
25.20 mi14:14:543:23:428:052:53
8:22
+0:25
Finish
26.22 mi14:22:193:31:078:037:25
7:17
-1:05

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

7:17 /mi

Average Pace

8:03 /mi

Slowest Pace

8:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

33:29

16% of race

Time at Steady Pace

2:57:38

84% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:03 /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 mi11:16:2625:148:0725:14
8:07
#14876
10K
6.21 mi11:41:2250:108:0424:56
8:02
#14924
15K
9.32 mi12:06:181:15:068:0324:56
8:02
#14803
20K
12.43 mi12:31:131:40:018:0324:55
8:01
#14457
Half
13.11 mi12:36:391:45:278:035:26
7:58
#14462
25K
15.53 mi12:56:052:04:538:0219:26
8:01
#14191
30K
18.64 mi13:21:312:30:198:0425:26
8:11
#13800
20M
20.00 mi13:32:372:41:258:0411:06
8:10
#13600
21M
21.00 mi13:41:092:49:578:068:32
8:32
#13390
35K
21.75 mi13:47:022:55:508:055:53
7:52
#13294
23M
23.00 mi13:57:163:06:048:0510:14
8:10
#13122
24M
24.00 mi14:05:133:14:018:057:57
7:57
#13005
40K
24.85 mi14:12:013:20:498:056:48
7:57
#12868
25.2M
25.20 mi14:14:543:23:428:052:53
8:22
#12807
Finish
26.22 mi14:22:193:31:078:037:25
7:17
#12574
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi148764562456214593(Top 55%)4436(Top 39%)4436(Top 91%)
10K6.21 mi3.10 mi14924-484606-444606-4414991(Top 56%)4664(Top 41%)4664(Top 95%)
15K9.32 mi3.11 mi14803+1214540+664540+6614593(Top 55%)4436(Top 39%)4436(Top 91%)
20K12.43 mi3.11 mi14457+3464345+1954345+19513612(Top 51%)3882(Top 34%)3882(Top 79%)
Half13.11 mi0.68 mi14462-54353-84353-814083(Top 53%)4114(Top 36%)4114(Top 84%)
25K15.53 mi2.42 mi14191+2714225+1284225+12812878(Top 48%)3561(Top 31%)3561(Top 73%)
30K18.64 mi3.11 mi13800+3914017+2084017+20812265(Top 46%)3340(Top 29%)3340(Top 68%)
20M20.00 mi1.36 mi13600+2003920+973920+9711502(Top 43%)3008(Top 26%)3008(Top 62%)
21M21.00 mi1.00 mi13390+2103810+1103810+11010707(Top 40%)2733(Top 24%)2733(Top 56%)
35K21.75 mi0.75 mi13294+963766+443766+4411189(Top 42%)2976(Top 26%)2976(Top 61%)
23M23.00 mi1.25 mi13122+1723690+763690+7611030(Top 41%)3040(Top 27%)3040(Top 62%)
24M24.00 mi1.00 mi13005+1173651+393651+3910925(Top 41%)3056(Top 27%)3056(Top 63%)
40K24.85 mi0.85 mi12868+1373593+583593+589781(Top 37%)2557(Top 22%)2557(Top 52%)
25.2M25.20 mi0.35 mi12807+613561+323561+328780(Top 33%)2183(Top 19%)2183(Top 45%)
Finish26.22 mi1.02 mi12574+2333450+1113450+1117025(Top 26%)1452(Top 13%)1452(Top 30%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21stories
+97ft-345ft

Overall

14593

Females

4436

F18-39

4436

5K→10K

3.1 - 6.2 mi

Top 56%
×5stories
+79ft-138ft

Overall

14991

Females

4664

F18-39

4664

10K→15K

6.2 - 9.3 mi

Top 55%
×3stories
+67ft-78ft

Overall

14593

Females

4436

F18-39

4436

15K→20K

9.3 - 12.4 mi

Top 51%
×5stories
+106ft-86ft

Overall

13612

Females

3882

F18-39

3882

20K→Half

12.4 - 13.1 mi

Top 53%
×2stories
+19ft-37ft

Overall

14083

Females

4114

F18-39

4114

Half→25K

13.1 - 15.5 mi

Top 48%
×4stories
+66ft-88ft

Overall

12878

Females

3561

F18-39

3561

25K→30K

15.5 - 18.6 mi

Top 46%
×9stories
+181ft-148ft

Overall

12265

Females

3340

F18-39

3340

30K→20M

18.6 - 20.0 mi

Top 43%
×5stories
+64ft-50ft

Overall

11502

Females

3008

F18-39

3008

20M→21M

20.0 - 21.0 mi

Top 40%
×8stories
+106ft-24ft

Overall

10707

Females

2733

F18-39

2733

21M→35K

21.0 - 21.8 mi

Top 42%
×7stories
+17ft-86ft

Overall

11189

Females

2976

F18-39

2976

35K→23M

21.8 - 23.0 mi

Top 41%
×5stories
+23ft-63ft

Overall

11030

Females

3040

F18-39

3040

23M→24M

23.0 - 24.0 mi

Top 41%
×6stories
+12ft-82ft

Overall

10925

Females

3056

F18-39

3056

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

9781

Females

2557

F18-39

2557

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

8780

Females

2183

F18-39

2183

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2stories
+22ft-21ft

Overall

7025

Females

1452

F18-39

1452

Passing Analysis

Category:
Athletes Passed
2998
Passed By
696
Net Change
+2302
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14876
5K → 10K270318-48#14876#14924
10K → 15K256135+121#14924#14803
15K → 20K39448+346#14803#14457
20K → Half3237-5#14457#14462
Half → 25K29524+271#14462#14191
25K → 30K42938+391#14191#13800
30K → 20M21515+200#13800#13600
20M → 21M22414+210#13600#13390
21M → 35K11216+96#13390#13294
35K → 23M19119+172#13294#13122
23M → 24M13114+117#13122#13005
24M → 40K15013+137#13005#12868
40K → 25.2M621+61#12868#12807
25.2M → Finish2374+233#12807#12574
TOTALS2998696+2302
📊

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