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BOSTON MARATHON 2023

Christina Boehr

Bib: 19300•F

NE

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
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
8:11/mi
25:25
↑ 97↓ 3451.5%
10K· 6.21 mi
8:15/mi
51:03
↑ 79↓ 1380.4%
15K· 9.32 mi
8:20/mi
1:16:55
↑ 67↓ 78
20K· 12.43 mi
8:40/mi
1:43:50
↑ 106↓ 860.1%
Half· 13.11 mi
8:33/mi
1:49:40
↑ 19↓ 370.5%
25K· 15.53 mi
8:52/mi
2:11:09
↑ 66↓ 880.2%
30K· 18.64 mi
9:15/mi
2:39:54
↑ 181↓ 1480.2%
20M
9:25/mi
2:52:42
↑ 64↓ 500.2%
21M
10:15/mi
3:02:57
↑ 106↓ 241.6%
35K· 21.75 mi
8:53/mi
3:09:36
↑ 17↓ 861.7%
23M
9:25/mi
3:21:24
↑ 23↓ 630.6%
24M
9:08/mi
3:30:32
↓ 821.3%
40K· 24.85 mi
9:35/mi
3:38:44
↓ 200.3%
25.2M
10:38/mi
3:42:24
↑ 13↓ 160.2%
Finish· 26.22 mi
9:33/mi
3:52:08
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:40
Pace8:22 /mi
2nd Half
Distance13.11 mi
Time2:02:28
Pace9:21 /mi
📊Positive Split: 11.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:2025:258:1125:25
8:11
-
10K
6.21 mi11:46:5851:038:1325:38
8:15
+0:04
15K
9.32 mi12:12:501:16:558:1525:52
8:20
+0:05
20K
12.43 mi12:39:451:43:508:2126:55
8:40
+0:20
Half
13.11 mi12:45:351:49:408:225:50
8:33
-0:07
25K
15.53 mi13:07:042:11:098:2721:29
8:52
+0:19
30K
18.64 mi13:35:492:39:548:3528:45
9:15
+0:23
20M
20.00 mi13:48:372:52:428:3812:48
9:25
+0:10
21M
21.00 mi13:58:523:02:578:4310:15
10:15
+0:50
35K
21.75 mi14:05:313:09:368:436:39
8:53
-1:22
23M
23.00 mi14:17:193:21:248:4511:48
9:25
+0:32
24M
24.00 mi14:26:273:30:328:469:08
9:08
-0:17
40K
24.85 mi14:34:393:38:448:488:12
9:35
+0:27
25.2M
25.20 mi14:38:193:42:248:503:40
10:38
+1:03
Finish
26.22 mi14:48:033:52:088:529:44
9:33
-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

8:11 /mi

Average Pace

8:52 /mi

Slowest Pace

10:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:40

47% of race

Time at Steady Pace

1:30:37

39% of race

Time at Slower Pace

31:51

14% of race

Average Pace: 8:51 /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 mi11:21:2025:258:1125:25
8:11
#15348
10K
6.21 mi11:46:5851:038:1325:38
8:15
#15936
15K
9.32 mi12:12:501:16:558:1525:52
8:20
#16201
20K
12.43 mi12:39:451:43:508:2126:55
8:40
#16665
Half
13.11 mi12:45:351:49:408:225:50
8:33
#16739
25K
15.53 mi13:07:042:11:098:2721:29
8:52
#16997
30K
18.64 mi13:35:492:39:548:3528:45
9:15
#17229
20M
20.00 mi13:48:372:52:428:3812:48
9:25
#17337
21M
21.00 mi13:58:523:02:578:4310:15
10:15
#17458
35K
21.75 mi14:05:313:09:368:436:39
8:53
#17455
23M
23.00 mi14:17:193:21:248:4511:48
9:25
#17499
24M
24.00 mi14:26:273:30:328:469:08
9:08
#17537
40K
24.85 mi14:34:393:38:448:488:12
9:35
#17622
25.2M
25.20 mi14:38:193:42:248:503:40
10:38
#17678
Finish
26.22 mi14:48:033:52:088:529:44
9:33
#17795
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi153484868486816714(Top 63%)5742(Top 50%)5742(Top 118%)
10K6.21 mi3.10 mi15936-5885249-3815249-38116603(Top 62%)5642(Top 49%)5642(Top 116%)
15K9.32 mi3.11 mi16201-2655411-1625411-16216714(Top 63%)5742(Top 50%)5742(Top 118%)
20K12.43 mi3.11 mi16665-4645717-3065717-30617910(Top 67%)6462(Top 57%)6462(Top 132%)
Half13.11 mi0.68 mi16739-745771-545771-5418048(Top 68%)6512(Top 57%)6512(Top 133%)
25K15.53 mi2.42 mi16997-2585944-1735944-17318276(Top 69%)6708(Top 59%)6708(Top 137%)
30K18.64 mi3.11 mi17229-2326095-1516095-15118419(Top 69%)6874(Top 60%)6874(Top 141%)
20M20.00 mi1.36 mi17337-1086181-866181-8618546(Top 70%)7048(Top 62%)7048(Top 144%)
21M21.00 mi1.00 mi17458-1216267-866267-8618886(Top 71%)7270(Top 64%)7270(Top 149%)
35K21.75 mi0.75 mi17455+36279-126279-1217414(Top 65%)6507(Top 57%)6507(Top 133%)
23M23.00 mi1.25 mi17499-446322-436322-4318026(Top 68%)6879(Top 60%)6879(Top 141%)
24M24.00 mi1.00 mi17537-386354-326354-3217813(Top 67%)6806(Top 60%)6806(Top 139%)
40K24.85 mi0.85 mi17622-856417-636417-6318665(Top 70%)7306(Top 64%)7306(Top 150%)
25.2M25.20 mi0.35 mi17678-566449-326449-3219525(Top 73%)7790(Top 68%)7790(Top 160%)
Finish26.22 mi1.02 mi17795-1176526-776526-7720301(Top 76%)8177(Top 72%)8177(Top 167%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21story building
+97ft-345ft

Overall

16714

Females

5742

F18-39

5742

5K→10K

3.1 - 6.2 mi

Top 62%
×5story building
+79ft-138ft

Overall

16603

Females

5642

F18-39

5642

10K→15K

6.2 - 9.3 mi

Top 63%
×3story building
+67ft-78ft

Overall

16714

Females

5742

F18-39

5742

15K→20K

9.3 - 12.4 mi

Top 67%
×5story building
+106ft-86ft

Overall

17910

Females

6462

F18-39

6462

20K→Half

12.4 - 13.1 mi

Top 68%
×2story building
+19ft-37ft

Overall

18048

Females

6512

F18-39

6512

Half→25K

13.1 - 15.5 mi

Top 69%
×4story building
+66ft-88ft

Overall

18276

Females

6708

F18-39

6708

25K→30K

15.5 - 18.6 mi

Top 69%
×9story building
+181ft-148ft

Overall

18419

Females

6874

F18-39

6874

30K→20M

18.6 - 20.0 mi

Top 70%
×5story building
+64ft-50ft

Overall

18546

Females

7048

F18-39

7048

20M→21M

20.0 - 21.0 mi

Top 71%
×8story building
+106ft-24ft

Overall

18886

Females

7270

F18-39

7270

21M→35K

21.0 - 21.8 mi

Top 65%
×7story building
+17ft-86ft

Overall

17414

Females

6507

F18-39

6507

35K→23M

21.8 - 23.0 mi

Top 68%
×5story building
+23ft-63ft

Overall

18026

Females

6879

F18-39

6879

23M→24M

23.0 - 24.0 mi

Top 67%
×6story building
+12ft-82ft

Overall

17813

Females

6806

F18-39

6806

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

18665

Females

7306

F18-39

7306

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

19525

Females

7790

F18-39

7790

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2story building
+22ft-21ft

Overall

20301

Females

8177

F18-39

8177

Passing Analysis

Category:
Athletes Passed
794
Passed By
3241
Net Change
-2447
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15348
5K → 10K114702-588#15348#15936
10K → 15K103368-265#15936#16201
15K → 20K59523-464#16201#16665
20K → Half1286-74#16665#16739
Half → 25K56314-258#16739#16997
25K → 30K111343-232#16997#17229
30K → 20M58166-108#17229#17337
20M → 21M41162-121#17337#17458
21M → 35K5249+3#17458#17455
35K → 23M78122-44#17455#17499
23M → 24M4482-38#17499#17537
24M → 40K34119-85#17537#17622
40K → 25.2M1268-56#17622#17678
25.2M → Finish20137-117#17678#17795
TOTALS7943241-2447
📊

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