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BOSTON MARATHON 2023

Gillian Stippa

Bib: 17219•F

CO

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 35%
Gender (Female)
#0 / 11423
Top 15%
Division (F18-39)
#0 / 4884
Top 28%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:36
Rank: #10511
Start → 5K
23:36 | 7:36/mi
10K· 6.21 mi
46:29
Rank: #9847 (+664)
5K → 10K
22:53 | 7:22/mi
15K· 9.32 mi
1:09:14
Rank: #9420 (+427)
10K → 15K
22:45 | 7:19/mi
20K· 12.43 mi
1:32:17
Rank: #9197 (+223)
15K → 20K
23:03 | 7:25/mi
Half· 13.11 mi
1:37:17
Rank: #9184 (+13)
20K → Half
5:00 | 7:20/mi
25K· 15.53 mi
1:55:10
Rank: #8933 (+251)
Half → 25K
17:53 | 7:23/mi
30K· 18.64 mi
2:18:58
Rank: #8792 (+141)
25K → 30K
23:48 | 7:40/mi
20M
2:29:50
Rank: #8885 (-93)
30K → 20M
10:52 | 8:00/mi
21M
2:38:23
Rank: #8974 (-89)
20M → 21M
8:33 | 8:33/mi
35K· 21.75 mi
2:44:09
Rank: #9000 (-26)
21M → 35K
5:46 | 7:42/mi
23M
2:54:20
Rank: #9079 (-79)
35K → 23M
10:11 | 8:08/mi
24M
3:02:12
Rank: #9110 (-31)
23M → 24M
7:52 | 7:52/mi
40K· 24.85 mi
3:09:11
Rank: #9144 (-34)
24M → 40K
6:59 | 8:10/mi
25.2M
3:12:17
Rank: #9193 (-49)
40K → 25.2M
3:06 | 8:59/mi
Finish· 26.22 mi
3:20:19
Rank: #9285 (-92)
25.2M → Finish
8:02 | 7:53/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:17
Pace7:25 /mi
2nd Half
Distance13.11 mi
Time1:43:02
Pace7:52 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:2823:367:3623:36
7:36
-
10K
6.21 mi11:37:2146:297:2922:53
7:22
-0:14
15K
9.32 mi12:00:061:09:147:2622:45
7:19
-0:03
20K
12.43 mi12:23:091:32:177:2623:03
7:25
+0:06
Half
13.11 mi12:28:091:37:177:255:00
7:20
-0:05
25K
15.53 mi12:46:021:55:107:2517:53
7:23
+0:03
30K
18.64 mi13:09:502:18:587:2723:48
7:40
+0:17
20M
20.00 mi13:20:422:29:507:2910:52
8:00
+0:20
21M
21.00 mi13:29:152:38:237:338:33
8:33
+0:33
35K
21.75 mi13:35:012:44:097:335:46
7:42
-0:51
23M
23.00 mi13:45:122:54:207:3510:11
8:08
+0:26
24M
24.00 mi13:53:043:02:127:367:52
7:52
-0:16
40K
24.85 mi14:00:033:09:117:376:59
8:10
+0:18
25.2M
25.20 mi14:03:093:12:177:383:06
8:59
+0:49
Finish
26.22 mi14:11:113:20:197:398:02
7:53
-1:06

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

7:19 /mi

Average Pace

7:39 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:31:34

46% of race

Time at Steady Pace

1:09:04

34% of race

Time at Slower Pace

39:41

20% of race

Average Pace: 7:38 /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 mi11:14:2823:367:3623:36
7:36
#10511
10K
6.21 mi11:37:2146:297:2922:53
7:22
#9847
15K
9.32 mi12:00:061:09:147:2622:45
7:19
#9420
20K
12.43 mi12:23:091:32:177:2623:03
7:25
#9197
Half
13.11 mi12:28:091:37:177:255:00
7:20
#9184
25K
15.53 mi12:46:021:55:107:2517:53
7:23
#8933
30K
18.64 mi13:09:502:18:587:2723:48
7:40
#8792
20M
20.00 mi13:20:422:29:507:2910:52
8:00
#8885
21M
21.00 mi13:29:152:38:237:338:33
8:33
#8974
35K
21.75 mi13:35:012:44:097:335:46
7:42
#9000
23M
23.00 mi13:45:122:54:207:3510:11
8:08
#9079
24M
24.00 mi13:53:043:02:127:367:52
7:52
#9110
40K
24.85 mi14:00:033:09:117:376:59
8:10
#9144
25.2M
25.20 mi14:03:093:12:177:383:06
8:59
#9193
Finish
26.22 mi14:11:113:20:197:398:02
7:53
#9285
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi10511208520858761(Top 33%)1351(Top 12%)1351(Top 28%)
10K6.21 mi3.10 mi9847+6641765+3201765+3209366(Top 35%)1572(Top 14%)1572(Top 32%)
15K9.32 mi3.11 mi9420+4271586+1791586+1798761(Top 33%)1351(Top 12%)1351(Top 28%)
20K12.43 mi3.11 mi9197+2231512+741512+748680(Top 33%)1366(Top 12%)1366(Top 28%)
Half13.11 mi0.68 mi9184+13151215128898(Top 33%)1448(Top 13%)1448(Top 30%)
25K15.53 mi2.42 mi8933+2511425+871425+877838(Top 29%)1137(Top 10%)1137(Top 23%)
30K18.64 mi3.11 mi8792+1411402+231402+238383(Top 31%)1463(Top 13%)1463(Top 30%)
20M20.00 mi1.36 mi8885-931458-561458-5610246(Top 38%)2339(Top 20%)2339(Top 48%)
21M21.00 mi1.00 mi8974-891524-661524-6610769(Top 40%)2748(Top 24%)2748(Top 56%)
35K21.75 mi0.75 mi9000-261542-181542-1810006(Top 38%)2344(Top 21%)2344(Top 48%)
23M23.00 mi1.25 mi9079-791603-611603-6110713(Top 40%)2868(Top 25%)2868(Top 59%)
24M24.00 mi1.00 mi9110-311639-361639-3610288(Top 39%)2720(Top 24%)2720(Top 56%)
40K24.85 mi0.85 mi9144-341674-351674-3511148(Top 42%)3218(Top 28%)3218(Top 66%)
25.2M25.20 mi0.35 mi9193-491710-361710-3612472(Top 47%)3931(Top 34%)3931(Top 80%)
Finish26.22 mi1.02 mi9285-921769-591769-5911296(Top 42%)3334(Top 29%)3334(Top 68%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21stories
+97ft-345ft

Overall

8761

Females

1351

F18-39

1351

5K→10K

3.1 - 6.2 mi

Top 35%
×5stories
+79ft-138ft

Overall

9366

Females

1572

F18-39

1572

10K→15K

6.2 - 9.3 mi

Top 33%
×3stories
+67ft-78ft

Overall

8761

Females

1351

F18-39

1351

15K→20K

9.3 - 12.4 mi

Top 33%
×5stories
+106ft-86ft

Overall

8680

Females

1366

F18-39

1366

20K→Half

12.4 - 13.1 mi

Top 33%
×2stories
+19ft-37ft

Overall

8898

Females

1448

F18-39

1448

Half→25K

13.1 - 15.5 mi

Top 29%
×4stories
+66ft-88ft

Overall

7838

Females

1137

F18-39

1137

25K→30K

15.5 - 18.6 mi

Top 31%
×9stories
+181ft-148ft

Overall

8383

Females

1463

F18-39

1463

30K→20M

18.6 - 20.0 mi

Top 38%
×5stories
+64ft-50ft

Overall

10246

Females

2339

F18-39

2339

20M→21M

20.0 - 21.0 mi

Top 40%
×8stories
+106ft-24ft

Overall

10769

Females

2748

F18-39

2748

21M→35K

21.0 - 21.8 mi

Top 38%
×7stories
+17ft-86ft

Overall

10006

Females

2344

F18-39

2344

35K→23M

21.8 - 23.0 mi

Top 40%
×5stories
+23ft-63ft

Overall

10713

Females

2868

F18-39

2868

23M→24M

23.0 - 24.0 mi

Top 39%
×6stories
+12ft-82ft

Overall

10288

Females

2720

F18-39

2720

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11148

Females

3218

F18-39

3218

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

12472

Females

3931

F18-39

3931

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2stories
+22ft-21ft

Overall

11296

Females

3334

F18-39

3334

Passing Analysis

Category:
Athletes Passed
2322*
Passed By
1096
Net Change
+1226
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10511
5K → 10K745*81+664#10511#9847
10K → 15K45730+427#9847#9420
15K → 20K26542+223#9420#9197
20K → Half2916+13#9197#9184
Half → 25K2598+251#9184#8933
25K → 30K23998+141#8933#8792
30K → 20M54147-93#8792#8885
20M → 21M52141-89#8885#8974
21M → 35K3359-26#8974#9000
35K → 23M51130-79#9000#9079
23M → 24M5384-31#9079#9110
24M → 40K4478-34#9110#9144
40K → 25.2M1463-49#9144#9193
25.2M → Finish27119-92#9193#9285
TOTALS2322*1096+1226

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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