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BOSTON MARATHON 2023

Abbie Nilles

Bib: 16455•F

CO

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 50%
Gender (Female)
#0 / 11423
Top 34%
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:54
Rank: #16393
Start → 5K
25:54 | 8:20/mi
10K· 6.21 mi
50:33
Rank: #15350 (+1043)
5K → 10K
24:39 | 7:56/mi
15K· 9.32 mi
1:14:53
Rank: #14610 (+740)
10K → 15K
24:20 | 7:50/mi
20K· 12.43 mi
1:39:45
Rank: #14297 (+313)
15K → 20K
24:52 | 8:00/mi
Half· 13.11 mi
1:44:59
Rank: #14181 (+116)
20K → Half
5:14 | 7:40/mi
25K· 15.53 mi
2:04:00
Rank: #13734 (+447)
Half → 25K
19:01 | 7:51/mi
30K· 18.64 mi
2:29:18
Rank: #13369 (+365)
25K → 30K
25:18 | 8:09/mi
20M
2:40:52
Rank: #13370 (-1)
30K → 20M
11:34 | 8:31/mi
21M
2:50:29
Rank: #13596 (-226)
20M → 21M
9:37 | 9:37/mi
35K· 21.75 mi
2:56:23
Rank: #13494 (+102)
21M → 35K
5:54 | 7:53/mi
23M
3:07:25
Rank: #13576 (-82)
35K → 23M
11:02 | 8:49/mi
24M
3:15:46
Rank: #13554 (+22)
23M → 24M
8:21 | 8:21/mi
40K· 24.85 mi
3:22:53
Rank: #13475 (+79)
24M → 40K
7:07 | 8:19/mi
25.2M
3:26:10
Rank: #13505 (-30)
40K → 25.2M
3:17 | 9:31/mi
Finish· 26.22 mi
3:33:52
Rank: #13304 (+201)
25.2M → Finish
7:42 | 7:33/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:59
Pace8:00 /mi
2nd Half
Distance13.11 mi
Time1:48:53
Pace8:18 /mi
📊Positive Split: 3.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:5625:548:2025:54
8:20
-
10K
6.21 mi11:46:3550:338:0824:39
7:56
-0:24
15K
9.32 mi12:10:551:14:538:0224:20
7:50
-0:06
20K
12.43 mi12:35:471:39:458:0224:52
8:00
+0:10
Half
13.11 mi12:41:011:44:598:005:14
7:40
-0:20
25K
15.53 mi13:00:022:04:007:5919:01
7:51
+0:11
30K
18.64 mi13:25:202:29:188:0125:18
8:09
+0:18
20M
20.00 mi13:36:542:40:528:0311:34
8:31
+0:22
21M
21.00 mi13:46:312:50:298:079:37
9:37
+1:06
35K
21.75 mi13:52:252:56:238:075:54
7:53
-1:44
23M
23.00 mi14:03:273:07:258:0911:02
8:49
+0:56
24M
24.00 mi14:11:483:15:468:098:21
8:21
-0:28
40K
24.85 mi14:18:553:22:538:107:07
8:19
-0:02
25.2M
25.20 mi14:22:123:26:108:113:17
9:31
+1:12
Finish
26.22 mi14:29:543:33:528:107:42
7:33
-1:58

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

7:33 /mi

Average Pace

8:10 /mi

Slowest Pace

9:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

56:17

26% of race

Time at Steady Pace

2:02:05

57% of race

Time at Slower Pace

35:30

17% of race

Average Pace: 8:09 /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 mi11:21:5625:548:2025:54
8:20
#16393
10K
6.21 mi11:46:3550:338:0824:39
7:56
#15350
15K
9.32 mi12:10:551:14:538:0224:20
7:50
#14610
20K
12.43 mi12:35:471:39:458:0224:52
8:00
#14297
Half
13.11 mi12:41:011:44:598:005:14
7:40
#14181
25K
15.53 mi13:00:022:04:007:5919:01
7:51
#13734
30K
18.64 mi13:25:202:29:188:0125:18
8:09
#13369
20M
20.00 mi13:36:542:40:528:0311:34
8:31
#13370
21M
21.00 mi13:46:312:50:298:079:37
9:37
#13596
35K
21.75 mi13:52:252:56:238:075:54
7:53
#13494
23M
23.00 mi14:03:273:07:258:0911:02
8:49
#13576
24M
24.00 mi14:11:483:15:468:098:21
8:21
#13554
40K
24.85 mi14:18:553:22:538:107:07
8:19
#13475
25.2M
25.20 mi14:22:123:26:108:113:17
9:31
#13505
Finish
26.22 mi14:29:543:33:528:107:42
7:33
#13304
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi163935528552812996(Top 49%)3474(Top 30%)3474(Top 71%)
10K6.21 mi3.10 mi15350+10434870+6584870+65814286(Top 54%)4226(Top 37%)4226(Top 87%)
15K9.32 mi3.11 mi14610+7404420+4504420+45012996(Top 49%)3474(Top 30%)3474(Top 71%)
20K12.43 mi3.11 mi14297+3134253+1674253+16713480(Top 51%)3813(Top 33%)3813(Top 78%)
Half13.11 mi0.68 mi14181+1164187+664187+6611747(Top 44%)2791(Top 24%)2791(Top 57%)
25K15.53 mi2.42 mi13734+4473947+2403947+24011481(Top 43%)2763(Top 24%)2763(Top 57%)
30K18.64 mi3.11 mi13369+3653764+1833764+18311965(Top 45%)3171(Top 28%)3171(Top 65%)
20M20.00 mi1.36 mi13370-13780-163780-1613705(Top 51%)4238(Top 37%)4238(Top 87%)
21M21.00 mi1.00 mi13596-2263932-1523932-15216505(Top 62%)5909(Top 52%)5909(Top 121%)
35K21.75 mi0.75 mi13494+1023882+503882+5011365(Top 43%)3072(Top 27%)3072(Top 63%)
23M23.00 mi1.25 mi13576-823962-803962-8015061(Top 57%)5207(Top 46%)5207(Top 107%)
24M24.00 mi1.00 mi13554+223971-93971-913549(Top 51%)4418(Top 39%)4418(Top 90%)
40K24.85 mi0.85 mi13475+793945+263945+2612244(Top 46%)3801(Top 33%)3801(Top 78%)
25.2M25.20 mi0.35 mi13505-303973-283973-2815298(Top 57%)5459(Top 48%)5459(Top 112%)
Finish26.22 mi1.02 mi13304+2013878+953878+959018(Top 34%)2269(Top 20%)2269(Top 46%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21stories
+97ft-345ft

Overall

12996

Females

3474

F18-39

3474

5K→10K

3.1 - 6.2 mi

Top 54%
×5stories
+79ft-138ft

Overall

14286

Females

4226

F18-39

4226

10K→15K

6.2 - 9.3 mi

Top 49%
×3stories
+67ft-78ft

Overall

12996

Females

3474

F18-39

3474

15K→20K

9.3 - 12.4 mi

Top 51%
×5stories
+106ft-86ft

Overall

13480

Females

3813

F18-39

3813

20K→Half

12.4 - 13.1 mi

Top 44%
×2stories
+19ft-37ft

Overall

11747

Females

2791

F18-39

2791

Half→25K

13.1 - 15.5 mi

Top 43%
×4stories
+66ft-88ft

Overall

11481

Females

2763

F18-39

2763

25K→30K

15.5 - 18.6 mi

Top 45%
×9stories
+181ft-148ft

Overall

11965

Females

3171

F18-39

3171

30K→20M

18.6 - 20.0 mi

Top 51%
×5stories
+64ft-50ft

Overall

13705

Females

4238

F18-39

4238

20M→21M

20.0 - 21.0 mi

Top 62%
×8stories
+106ft-24ft

Overall

16505

Females

5909

F18-39

5909

21M→35K

21.0 - 21.8 mi

Top 43%
×7stories
+17ft-86ft

Overall

11365

Females

3072

F18-39

3072

35K→23M

21.8 - 23.0 mi

Top 57%
×5stories
+23ft-63ft

Overall

15061

Females

5207

F18-39

5207

23M→24M

23.0 - 24.0 mi

Top 51%
×6stories
+12ft-82ft

Overall

13549

Females

4418

F18-39

4418

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

12244

Females

3801

F18-39

3801

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

15298

Females

5459

F18-39

5459

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2stories
+22ft-21ft

Overall

9018

Females

2269

F18-39

2269

Passing Analysis

Category:
Athletes Passed
3908
Passed By
819
Net Change
+3089
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16393
5K → 10K109350+1043#16393#15350
10K → 15K75414+740#15350#14610
15K → 20K36047+313#14610#14297
20K → Half1160+116#14297#14181
Half → 25K4536+447#14181#13734
25K → 30K40540+365#13734#13369
30K → 20M8788-1#13369#13370
20M → 21M31257-226#13370#13596
21M → 35K11715+102#13596#13494
35K → 23M71153-82#13494#13576
23M → 24M7856+22#13576#13554
24M → 40K10829+79#13554#13475
40K → 25.2M2353-30#13475#13505
25.2M → Finish21211+201#13505#13304
TOTALS3908819+3089
📊

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