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BOSTON MARATHON 2023

Caroline Wittich

Bib: 15161•F

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0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 40%
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
8:02/mi
24:59
↑ 97↓ 3451.5%
10K· 6.21 mi
7:55/mi
49:35
↑ 79↓ 1380.4%
15K· 9.32 mi
8:02/mi
1:14:34
↑ 67↓ 78
20K· 12.43 mi
7:54/mi
1:39:08
↑ 106↓ 860.1%
Half· 13.11 mi
7:48/mi
1:44:27
↑ 19↓ 370.5%
25K· 15.53 mi
8:02/mi
2:03:56
↑ 66↓ 880.2%
30K· 18.64 mi
8:40/mi
2:30:52
↑ 181↓ 1480.2%
20M
8:40/mi
2:42:38
↑ 64↓ 500.2%
21M
9:29/mi
2:52:07
↑ 106↓ 241.6%
35K· 21.75 mi
9:01/mi
2:58:52
↑ 17↓ 861.7%
23M
8:59/mi
3:10:07
↑ 23↓ 630.6%
24M
8:46/mi
3:18:53
↓ 821.3%
40K· 24.85 mi
8:49/mi
3:26:25
↓ 200.3%
25.2M
9:43/mi
3:29:46
↑ 13↓ 160.2%
Finish· 26.22 mi
8:26/mi
3:38:22
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:27
Pace7:58 /mi
2nd Half
Distance13.11 mi
Time1:53:55
Pace8:41 /mi
📊Positive Split: 9.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:1324:598:0224:59
8:02
-
10K
6.21 mi11:19:4949:357:5924:36
7:55
-0:07
15K
9.32 mi11:44:481:14:348:0024:59
8:02
+0:07
20K
12.43 mi12:09:221:39:087:5924:34
7:54
-0:08
Half
13.11 mi12:14:411:44:277:585:19
7:48
-0:06
25K
15.53 mi12:34:102:03:567:5919:29
8:02
+0:14
30K
18.64 mi13:01:062:30:528:0626:56
8:40
+0:38
20M
20.00 mi13:12:522:42:388:0811:46
8:40
0:00
21M
21.00 mi13:22:212:52:078:129:29
9:29
+0:49
35K
21.75 mi13:29:062:58:528:136:45
9:01
-0:28
23M
23.00 mi13:40:213:10:078:1611:15
8:59
-0:02
24M
24.00 mi13:49:073:18:538:178:46
8:46
-0:13
40K
24.85 mi13:56:393:26:258:187:32
8:49
+0:03
25.2M
25.20 mi14:00:003:29:468:193:21
9:43
+0:54
Finish
26.22 mi14:08:363:38:228:208:36
8:26
-1:17

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

7:48 /mi

Average Pace

8:20 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:03:56

57% of race

Time at Steady Pace

1:03:36

29% of race

Time at Slower Pace

30:50

14% of race

Average Pace: 8:20 /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 mi10:55:1324:598:0224:59
8:02
#14319
10K
6.21 mi11:19:4949:357:5924:36
7:55
#14249
15K
9.32 mi11:44:481:14:348:0024:59
8:02
#14360
20K
12.43 mi12:09:221:39:087:5924:34
7:54
#13918
Half
13.11 mi12:14:411:44:277:585:19
7:48
#13848
25K
15.53 mi12:34:102:03:567:5919:29
8:02
#13703
30K
18.64 mi13:01:062:30:528:0626:56
8:40
#14056
20M
20.00 mi13:12:522:42:388:0811:46
8:40
#14095
21M
21.00 mi13:22:212:52:078:129:29
9:29
#14190
35K
21.75 mi13:29:062:58:528:136:45
9:01
#14345
23M
23.00 mi13:40:213:10:078:1611:15
8:59
#14450
24M
24.00 mi13:49:073:18:538:178:46
8:46
#14489
40K
24.85 mi13:56:393:26:258:187:32
8:49
#14505
25.2M
25.20 mi14:00:003:29:468:193:21
9:43
#14524
Finish
26.22 mi14:08:363:38:228:208:36
8:26
#14519
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi143194220422014744(Top 55%)4533(Top 40%)4533(Top 93%)
10K6.21 mi3.10 mi14249+704198+224198+2214149(Top 53%)4145(Top 36%)4145(Top 85%)
15K9.32 mi3.11 mi14360-1114269-714269-7114744(Top 55%)4533(Top 40%)4533(Top 93%)
20K12.43 mi3.11 mi13918+4424034+2354034+23512697(Top 48%)3381(Top 30%)3381(Top 69%)
Half13.11 mi0.68 mi13848+703995+393995+3912771(Top 48%)3377(Top 30%)3377(Top 69%)
25K15.53 mi2.42 mi13703+1453930+653930+6513058(Top 49%)3665(Top 32%)3665(Top 75%)
30K18.64 mi3.11 mi14056-3534182-2524182-25215321(Top 58%)5121(Top 45%)5121(Top 105%)
20M20.00 mi1.36 mi14095-394227-454227-4514633(Top 55%)4785(Top 42%)4785(Top 98%)
21M21.00 mi1.00 mi14190-954307-804307-8015894(Top 60%)5565(Top 49%)5565(Top 114%)
35K21.75 mi0.75 mi14345-1554416-1094416-10917999(Top 68%)6830(Top 60%)6830(Top 140%)
23M23.00 mi1.25 mi14450-1054502-864502-8615993(Top 60%)5732(Top 50%)5732(Top 117%)
24M24.00 mi1.00 mi14489-394547-454547-4516036(Top 60%)5823(Top 51%)5823(Top 119%)
40K24.85 mi0.85 mi14505-164579-324579-3215149(Top 57%)5379(Top 47%)5379(Top 110%)
25.2M25.20 mi0.35 mi14524-194600-214600-2116195(Top 61%)5962(Top 52%)5962(Top 122%)
Finish26.22 mi1.02 mi14519+54610-104610-1015029(Top 56%)5264(Top 46%)5264(Top 108%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21story building
+97ft-345ft

Overall

14744

Females

4533

F18-39

4533

5K→10K

3.1 - 6.2 mi

Top 53%
×5story building
+79ft-138ft

Overall

14149

Females

4145

F18-39

4145

10K→15K

6.2 - 9.3 mi

Top 55%
×3story building
+67ft-78ft

Overall

14744

Females

4533

F18-39

4533

15K→20K

9.3 - 12.4 mi

Top 48%
×5story building
+106ft-86ft

Overall

12697

Females

3381

F18-39

3381

20K→Half

12.4 - 13.1 mi

Top 48%
×2story building
+19ft-37ft

Overall

12771

Females

3377

F18-39

3377

Half→25K

13.1 - 15.5 mi

Top 49%
×4story building
+66ft-88ft

Overall

13058

Females

3665

F18-39

3665

25K→30K

15.5 - 18.6 mi

Top 58%
×9story building
+181ft-148ft

Overall

15321

Females

5121

F18-39

5121

30K→20M

18.6 - 20.0 mi

Top 55%
×5story building
+64ft-50ft

Overall

14633

Females

4785

F18-39

4785

20M→21M

20.0 - 21.0 mi

Top 60%
×8story building
+106ft-24ft

Overall

15894

Females

5565

F18-39

5565

21M→35K

21.0 - 21.8 mi

Top 68%
×7story building
+17ft-86ft

Overall

17999

Females

6830

F18-39

6830

35K→23M

21.8 - 23.0 mi

Top 60%
×5story building
+23ft-63ft

Overall

15993

Females

5732

F18-39

5732

23M→24M

23.0 - 24.0 mi

Top 60%
×6story building
+12ft-82ft

Overall

16036

Females

5823

F18-39

5823

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

15149

Females

5379

F18-39

5379

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

16195

Females

5962

F18-39

5962

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2story building
+22ft-21ft

Overall

15029

Females

5264

F18-39

5264

Passing Analysis

Category:
Athletes Passed
1700
Passed By
1900
Net Change
-200
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14319
5K → 10K317247+70#14319#14249
10K → 15K138249-111#14249#14360
15K → 20K46624+442#14360#13918
20K → Half777+70#13918#13848
Half → 25K20863+145#13848#13703
25K → 30K95448-353#13703#14056
30K → 20M81120-39#14056#14095
20M → 21M52147-95#14095#14190
21M → 35K16171-155#14190#14345
35K → 23M51156-105#14345#14450
23M → 24M65104-39#14450#14489
24M → 40K5167-16#14489#14505
40K → 25.2M1837-19#14505#14524
25.2M → Finish6560+5#14524#14519
TOTALS17001900-200
📊

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