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BOSTON MARATHON 2023

Crystal Mille

Bib: 14416•F

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0:00
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 38%
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
7:50/mi
24:20
↑ 97↓ 3451.5%
10K· 6.21 mi
7:49/mi
48:36
↑ 79↓ 1380.4%
15K· 9.32 mi
7:49/mi
1:12:54
↑ 67↓ 78
20K· 12.43 mi
7:52/mi
1:37:21
↑ 106↓ 860.1%
Half· 13.11 mi
7:46/mi
1:42:39
↑ 19↓ 370.5%
25K· 15.53 mi
8:05/mi
2:02:16
↑ 66↓ 880.2%
30K· 18.64 mi
8:32/mi
2:28:46
↑ 181↓ 1480.2%
20M
9:03/mi
2:41:04
↑ 64↓ 500.2%
21M
9:41/mi
2:50:45
↑ 106↓ 241.6%
35K· 21.75 mi
8:24/mi
2:57:02
↑ 17↓ 861.7%
23M
8:58/mi
3:08:16
↑ 23↓ 630.6%
24M
8:35/mi
3:16:51
↓ 821.3%
40K· 24.85 mi
8:50/mi
3:24:24
↓ 200.3%
25.2M
9:46/mi
3:27:46
↑ 13↓ 160.2%
Finish· 26.22 mi
8:32/mi
3:36:28
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:39
Pace7:50 /mi
2nd Half
Distance13.11 mi
Time1:53:49
Pace8:41 /mi
📊Positive Split: 10.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:0624:207:5024:20
7:50
-
10K
6.21 mi11:17:2248:367:4924:16
7:49
-0:01
15K
9.32 mi11:41:401:12:547:4924:18
7:49
0:00
20K
12.43 mi12:06:071:37:217:5024:27
7:52
+0:03
Half
13.11 mi12:11:251:42:397:505:18
7:46
-0:06
25K
15.53 mi12:31:022:02:167:5219:37
8:05
+0:19
30K
18.64 mi12:57:322:28:467:5926:30
8:32
+0:27
20M
20.00 mi13:09:502:41:048:0312:18
9:03
+0:31
21M
21.00 mi13:19:312:50:458:089:41
9:41
+0:38
35K
21.75 mi13:25:482:57:028:086:17
8:24
-1:17
23M
23.00 mi13:37:023:08:168:1111:14
8:58
+0:34
24M
24.00 mi13:45:373:16:518:128:35
8:35
-0:23
40K
24.85 mi13:53:103:24:248:137:33
8:50
+0:15
25.2M
25.20 mi13:56:323:27:468:153:22
9:46
+0:56
Finish
26.22 mi14:05:143:36:288:168:42
8:32
-1:14

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

7:46 /mi

Average Pace

8:16 /mi

Slowest Pace

9:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:02:16

56% of race

Time at Steady Pace

57:37

27% of race

Time at Slower Pace

36:35

17% of race

Average Pace: 8:15 /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 mi10:53:0624:207:5024:20
7:50
#12692
10K
6.21 mi11:17:2248:367:4924:16
7:49
#12910
15K
9.32 mi11:41:401:12:547:4924:18
7:49
#12895
20K
12.43 mi12:06:071:37:217:5024:27
7:52
#12705
Half
13.11 mi12:11:251:42:397:505:18
7:46
#12681
25K
15.53 mi12:31:022:02:167:5219:37
8:05
#12799
30K
18.64 mi12:57:322:28:467:5926:30
8:32
#13146
20M
20.00 mi13:09:502:41:048:0312:18
9:03
#13459
21M
21.00 mi13:19:312:50:458:089:41
9:41
#13702
35K
21.75 mi13:25:482:57:028:086:17
8:24
#13721
23M
23.00 mi13:37:023:08:168:1111:14
8:58
#13858
24M
24.00 mi13:45:373:16:518:128:35
8:35
#13899
40K
24.85 mi13:53:103:24:248:137:33
8:50
#13925
25.2M
25.20 mi13:56:323:27:468:153:22
9:46
#13981
Finish
26.22 mi14:05:143:36:288:168:42
8:32
#14052
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi126923279327912926(Top 49%)3433(Top 30%)3433(Top 70%)
10K6.21 mi3.10 mi12910-2183391-1123391-11213236(Top 50%)3576(Top 31%)3576(Top 73%)
15K9.32 mi3.11 mi12895+153397-63397-612926(Top 49%)3433(Top 30%)3433(Top 70%)
20K12.43 mi3.11 mi12705+1903311+863311+8612366(Top 46%)3182(Top 28%)3182(Top 65%)
Half13.11 mi0.68 mi12681+243307+43307+412547(Top 47%)3250(Top 28%)3250(Top 67%)
25K15.53 mi2.42 mi12799-1183396-893396-8913468(Top 51%)3907(Top 34%)3907(Top 80%)
30K18.64 mi3.11 mi13146-3473636-2403636-24014504(Top 54%)4626(Top 40%)4626(Top 95%)
20M20.00 mi1.36 mi13459-3133835-1993835-19916807(Top 63%)6032(Top 53%)6032(Top 124%)
21M21.00 mi1.00 mi13702-2433992-1573992-15716775(Top 63%)6051(Top 53%)6051(Top 124%)
35K21.75 mi0.75 mi13721-194021-294021-2914734(Top 55%)4948(Top 43%)4948(Top 101%)
23M23.00 mi1.25 mi13858-1374138-1174138-11715914(Top 60%)5684(Top 50%)5684(Top 116%)
24M24.00 mi1.00 mi13899-414195-574195-5714975(Top 56%)5213(Top 46%)5213(Top 107%)
40K24.85 mi0.85 mi13925-264227-324227-3215246(Top 57%)5428(Top 48%)5428(Top 111%)
25.2M25.20 mi0.35 mi13981-564265-384265-3816381(Top 62%)6075(Top 53%)6075(Top 124%)
Finish26.22 mi1.02 mi14052-714330-654330-6515639(Top 59%)5607(Top 49%)5607(Top 115%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21story building
+97ft-345ft

Overall

12926

Females

3433

F18-39

3433

5K→10K

3.1 - 6.2 mi

Top 50%
×5story building
+79ft-138ft

Overall

13236

Females

3576

F18-39

3576

10K→15K

6.2 - 9.3 mi

Top 49%
×3story building
+67ft-78ft

Overall

12926

Females

3433

F18-39

3433

15K→20K

9.3 - 12.4 mi

Top 46%
×5story building
+106ft-86ft

Overall

12366

Females

3182

F18-39

3182

20K→Half

12.4 - 13.1 mi

Top 47%
×2story building
+19ft-37ft

Overall

12547

Females

3250

F18-39

3250

Half→25K

13.1 - 15.5 mi

Top 51%
×4story building
+66ft-88ft

Overall

13468

Females

3907

F18-39

3907

25K→30K

15.5 - 18.6 mi

Top 54%
×9story building
+181ft-148ft

Overall

14504

Females

4626

F18-39

4626

30K→20M

18.6 - 20.0 mi

Top 63%
×5story building
+64ft-50ft

Overall

16807

Females

6032

F18-39

6032

20M→21M

20.0 - 21.0 mi

Top 63%
×8story building
+106ft-24ft

Overall

16775

Females

6051

F18-39

6051

21M→35K

21.0 - 21.8 mi

Top 55%
×7story building
+17ft-86ft

Overall

14734

Females

4948

F18-39

4948

35K→23M

21.8 - 23.0 mi

Top 60%
×5story building
+23ft-63ft

Overall

15914

Females

5684

F18-39

5684

23M→24M

23.0 - 24.0 mi

Top 56%
×6story building
+12ft-82ft

Overall

14975

Females

5213

F18-39

5213

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

15246

Females

5428

F18-39

5428

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

16381

Females

6075

F18-39

6075

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2story building
+22ft-21ft

Overall

15639

Females

5607

F18-39

5607

Passing Analysis

Category:
Athletes Passed
1298
Passed By
2658
Net Change
-1360
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12692
5K → 10K210428-218#12692#12910
10K → 15K210195+15#12910#12895
15K → 20K294104+190#12895#12705
20K → Half4723+24#12705#12681
Half → 25K107225-118#12681#12799
25K → 30K99446-347#12799#13146
30K → 20M30343-313#13146#13459
20M → 21M37280-243#13459#13702
21M → 35K4665-19#13702#13721
35K → 23M54191-137#13721#13858
23M → 24M5293-41#13858#13899
24M → 40K5581-26#13899#13925
40K → 25.2M1571-56#13925#13981
25.2M → Finish42113-71#13981#14052
TOTALS12982658-1360
📊

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