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BOSTON MARATHON 2023

Christine Schellin

Bib: 19980•F

NV

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F45-49)
#0 / 1817
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
28:37
Rank: #21240
Start → 5K
28:37 | 9:13/mi
10K· 6.21 mi
54:44
Rank: #19732 (+1508)
5K → 10K
26:07 | 8:24/mi
15K· 9.32 mi
1:21:29
Rank: #19292 (+440)
10K → 15K
26:45 | 8:37/mi
20K· 12.43 mi
1:48:29
Rank: #18954 (+338)
15K → 20K
27:00 | 8:41/mi
Half· 13.11 mi
1:54:11
Rank: #18852 (+102)
20K → Half
5:42 | 8:21/mi
25K· 15.53 mi
2:15:36
Rank: #18739 (+113)
Half → 25K
21:25 | 8:50/mi
30K· 18.64 mi
2:44:46
Rank: #18791 (-52)
25K → 30K
29:10 | 9:23/mi
20M
2:57:45
Rank: #18817 (-26)
30K → 20M
12:59 | 9:33/mi
21M
3:08:32
Rank: #18954 (-137)
20M → 21M
10:47 | 10:47/mi
35K· 21.75 mi
3:15:25
Rank: #18944 (+10)
21M → 35K
6:53 | 9:12/mi
23M
3:28:08
Rank: #19080 (-136)
35K → 23M
12:43 | 10:09/mi
24M
3:37:45
Rank: #19096 (-16)
23M → 24M
9:37 | 9:37/mi
40K· 24.85 mi
3:46:47
Rank: #19249 (-153)
24M → 40K
9:02 | 10:34/mi
25.2M
3:50:41
Rank: #19319 (-70)
40K → 25.2M
3:54 | 11:19/mi
Finish· 26.22 mi
4:01:00
Rank: #19473 (-154)
25.2M → Finish
10:19 | 10:07/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:11
Pace8:43 /mi
2nd Half
Distance13.11 mi
Time2:06:49
Pace9:40 /mi
📊Positive Split: 11.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:3028:379:1328:37
9:13
-
10K
6.21 mi11:46:3754:448:4926:07
8:24
-0:49
15K
9.32 mi12:13:221:21:298:4526:45
8:37
+0:13
20K
12.43 mi12:40:221:48:298:4427:00
8:41
+0:04
Half
13.11 mi12:46:041:54:118:435:42
8:21
-0:20
25K
15.53 mi13:07:292:15:368:4421:25
8:50
+0:29
30K
18.64 mi13:36:392:44:468:5029:10
9:23
+0:33
20M
20.00 mi13:49:382:57:458:5312:59
9:33
+0:10
21M
21.00 mi14:00:253:08:328:5910:47
10:47
+1:14
35K
21.75 mi14:07:183:15:258:596:53
9:12
-1:35
23M
23.00 mi14:20:013:28:089:0312:43
10:09
+0:57
24M
24.00 mi14:29:383:37:459:049:37
9:37
-0:32
40K
24.85 mi14:38:403:46:479:079:02
10:34
+0:57
25.2M
25.20 mi14:42:343:50:419:093:54
11:19
+0:45
Finish
26.22 mi14:52:534:01:009:1210:19
10:07
-1:12

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

8:21 /mi

Average Pace

9:12 /mi

Slowest Pace

11:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:46:59

44% of race

Time at Steady Pace

1:27:16

36% of race

Time at Slower Pace

46:45

19% of race

Average Pace: 9:11 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:20:3028:379:1328:37
9:13
#21240
10K
6.21 mi11:46:3754:448:4926:07
8:24
#19732
15K
9.32 mi12:13:221:21:298:4526:45
8:37
#19292
20K
12.43 mi12:40:221:48:298:4427:00
8:41
#18954
Half
13.11 mi12:46:041:54:118:435:42
8:21
#18852
25K
15.53 mi13:07:292:15:368:4421:25
8:50
#18739
30K
18.64 mi13:36:392:44:468:5029:10
9:23
#18791
20M
20.00 mi13:49:382:57:458:5312:59
9:33
#18817
21M
21.00 mi14:00:253:08:328:5910:47
10:47
#18954
35K
21.75 mi14:07:183:15:258:596:53
9:12
#18944
23M
23.00 mi14:20:013:28:089:0312:43
10:09
#19080
24M
24.00 mi14:29:383:37:459:049:37
9:37
#19096
40K
24.85 mi14:38:403:46:479:079:02
10:34
#19249
25.2M
25.20 mi14:42:343:50:419:093:54
11:19
#19319
Finish
26.22 mi14:52:534:01:009:1210:19
10:07
#19473
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi212408493849318534(Top 70%)6827(Top 60%)6827(Top 376%)
10K6.21 mi3.10 mi19732+15087612+8817612+88117635(Top 66%)6265(Top 55%)6265(Top 345%)
15K9.32 mi3.11 mi19292+4407313+2997313+29918534(Top 70%)6827(Top 60%)6827(Top 376%)
20K12.43 mi3.11 mi18954+3387094+2197094+21918074(Top 68%)6553(Top 57%)6553(Top 361%)
Half13.11 mi0.68 mi18852+1027035+597035+5916929(Top 64%)5875(Top 51%)5875(Top 323%)
25K15.53 mi2.42 mi18739+1136978+576978+5718152(Top 68%)6637(Top 58%)6637(Top 365%)
30K18.64 mi3.11 mi18791-527026-487026-4818993(Top 71%)7192(Top 63%)7192(Top 396%)
20M20.00 mi1.36 mi18817-267047-217047-2119075(Top 72%)7337(Top 64%)7337(Top 404%)
21M21.00 mi1.00 mi18954-1377144-977144-9720342(Top 76%)8110(Top 71%)8110(Top 446%)
35K21.75 mi0.75 mi18944+107145-17145-118776(Top 71%)7266(Top 64%)7266(Top 400%)
23M23.00 mi1.25 mi19080-1367230-857230-8520455(Top 77%)8203(Top 72%)8203(Top 451%)
24M24.00 mi1.00 mi19096-167252-227252-2219644(Top 74%)7779(Top 68%)7779(Top 428%)
40K24.85 mi0.85 mi19249-1537339-877339-8721370(Top 80%)8815(Top 77%)8815(Top 485%)
25.2M25.20 mi0.35 mi19319-707383-447383-4421148(Top 79%)8670(Top 76%)8670(Top 477%)
Finish26.22 mi1.02 mi19473-1547484-1017484-10122094(Top 83%)9160(Top 80%)9160(Top 504%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21stories
+97ft-345ft

Overall

18534

Females

6827

F45-49

6827

5K→10K

3.1 - 6.2 mi

Top 66%
×5stories
+79ft-138ft

Overall

17635

Females

6265

F45-49

6265

10K→15K

6.2 - 9.3 mi

Top 70%
×3stories
+67ft-78ft

Overall

18534

Females

6827

F45-49

6827

15K→20K

9.3 - 12.4 mi

Top 68%
×5stories
+106ft-86ft

Overall

18074

Females

6553

F45-49

6553

20K→Half

12.4 - 13.1 mi

Top 64%
×2stories
+19ft-37ft

Overall

16929

Females

5875

F45-49

5875

Half→25K

13.1 - 15.5 mi

Top 68%
×4stories
+66ft-88ft

Overall

18152

Females

6637

F45-49

6637

25K→30K

15.5 - 18.6 mi

Top 71%
×9stories
+181ft-148ft

Overall

18993

Females

7192

F45-49

7192

30K→20M

18.6 - 20.0 mi

Top 72%
×5stories
+64ft-50ft

Overall

19075

Females

7337

F45-49

7337

20M→21M

20.0 - 21.0 mi

Top 76%
×8stories
+106ft-24ft

Overall

20342

Females

8110

F45-49

8110

21M→35K

21.0 - 21.8 mi

Top 71%
×7stories
+17ft-86ft

Overall

18776

Females

7266

F45-49

7266

35K→23M

21.8 - 23.0 mi

Top 77%
×5stories
+23ft-63ft

Overall

20455

Females

8203

F45-49

8203

23M→24M

23.0 - 24.0 mi

Top 74%
×6stories
+12ft-82ft

Overall

19644

Females

7779

F45-49

7779

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

21370

Females

8815

F45-49

8815

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

21148

Females

8670

F45-49

8670

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2stories
+22ft-21ft

Overall

22094

Females

9160

F45-49

9160

Passing Analysis

Category:
Athletes Passed
3121
Passed By
1354
Net Change
+1767
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21240
5K → 10K152517+1508#21240#19732
10K → 15K48646+440#19732#19292
15K → 20K37537+338#19292#18954
20K → Half1108+102#18954#18852
Half → 25K16552+113#18852#18739
25K → 30K155207-52#18739#18791
30K → 20M81107-26#18791#18817
20M → 21M41178-137#18817#18954
21M → 35K4737+10#18954#18944
35K → 23M41177-136#18944#19080
23M → 24M5268-16#19080#19096
24M → 40K20173-153#19096#19249
40K → 25.2M878-70#19249#19319
25.2M → Finish15169-154#19319#19473
TOTALS31211354+1767
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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