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BOSTON MARATHON 2023

Danielle Miller

Bib: 12756•F

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 42%
Gender (Female)
#0 / 11423
Top 24%
Masters (Masters Women)
#0 / 6539
Top 11%
Division (F40-44)
#0 / 1878
Top 23%
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
7:33/mi
23:28
↑ 97↓ 3451.5%
10K· 6.21 mi
7:25/mi
46:31
↑ 79↓ 1380.4%
15K· 9.32 mi
7:32/mi
1:09:56
↑ 67↓ 78
20K· 12.43 mi
7:38/mi
1:33:40
↑ 106↓ 860.1%
Half· 13.11 mi
7:39/mi
1:38:53
↑ 19↓ 370.5%
25K· 15.53 mi
7:48/mi
1:57:48
↑ 66↓ 880.2%
30K· 18.64 mi
8:05/mi
2:22:55
↑ 181↓ 1480.2%
20M
8:15/mi
2:34:08
↑ 64↓ 500.2%
21M
8:40/mi
2:42:48
↑ 106↓ 241.6%
35K· 21.75 mi
7:56/mi
2:48:44
↑ 17↓ 861.7%
23M
8:29/mi
2:59:21
↑ 23↓ 630.6%
24M
8:15/mi
3:07:36
↓ 821.3%
40K· 24.85 mi
8:31/mi
3:14:53
↓ 200.3%
25.2M
9:17/mi
3:18:05
↑ 13↓ 160.2%
Finish· 26.22 mi
8:27/mi
3:26:42
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:53
Pace7:33 /mi
2nd Half
Distance13.11 mi
Time1:47:49
Pace8:13 /mi
📊Positive Split: 9.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:0323:287:3323:28
7:33
-
10K
6.21 mi11:14:0646:317:2923:03
7:25
-0:08
15K
9.32 mi11:37:311:09:567:3023:25
7:32
+0:07
20K
12.43 mi12:01:151:33:407:3223:44
7:38
+0:06
Half
13.11 mi12:06:281:38:537:335:13
7:39
+0:01
25K
15.53 mi12:25:231:57:487:3518:55
7:48
+0:09
30K
18.64 mi12:50:302:22:557:4025:07
8:05
+0:17
20M
20.00 mi13:01:432:34:087:4211:13
8:15
+0:10
21M
21.00 mi13:10:232:42:487:458:40
8:40
+0:25
35K
21.75 mi13:16:192:48:447:465:56
7:56
-0:44
23M
23.00 mi13:26:562:59:217:4810:37
8:29
+0:33
24M
24.00 mi13:35:113:07:367:498:15
8:15
-0:14
40K
24.85 mi13:42:283:14:537:507:17
8:31
+0:16
25.2M
25.20 mi13:45:403:18:057:523:12
9:17
+0:46
Finish
26.22 mi13:54:173:26:427:538:37
8:27
-0:50

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

7:25 /mi

Average Pace

7:53 /mi

Slowest Pace

9:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:48

57% of race

Time at Steady Pace

50:31

24% of race

Time at Slower Pace

38:23

19% of race

Average Pace: 7:53 /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 mi10:51:0323:287:3323:28
7:33
#10114
10K
6.21 mi11:14:0646:317:2923:03
7:25
#9901
15K
9.32 mi11:37:311:09:567:3023:25
7:32
#10099
20K
12.43 mi12:01:151:33:407:3223:44
7:38
#10168
Half
13.11 mi12:06:281:38:537:335:13
7:39
#10228
25K
15.53 mi12:25:231:57:487:3518:55
7:48
#10339
30K
18.64 mi12:50:302:22:557:4025:07
8:05
#10495
20M
20.00 mi13:01:432:34:087:4211:13
8:15
#10613
21M
21.00 mi13:10:232:42:487:458:40
8:40
#10637
35K
21.75 mi13:16:192:48:447:465:56
7:56
#10641
23M
23.00 mi13:26:562:59:217:4810:37
8:29
#10791
24M
24.00 mi13:35:113:07:367:498:15
8:15
#10873
40K
24.85 mi13:42:283:14:537:507:17
8:31
#10978
25.2M
25.20 mi13:45:403:18:057:523:12
9:17
#11013
Finish
26.22 mi13:54:173:26:427:538:37
8:27
#11200
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi101141918191810501(Top 39%)2077(Top 18%)2077(Top 111%)
10K6.21 mi3.10 mi9901+2131798+1201798+1209817(Top 37%)1743(Top 15%)1743(Top 93%)
15K9.32 mi3.11 mi10099-1981865-671865-6710501(Top 39%)2077(Top 18%)2077(Top 111%)
20K12.43 mi3.11 mi10168-691912-471912-4710436(Top 39%)2117(Top 19%)2117(Top 113%)
Half13.11 mi0.68 mi10228-601945-331945-3311470(Top 43%)2611(Top 23%)2611(Top 139%)
25K15.53 mi2.42 mi10339-1112016-712016-7111121(Top 42%)2547(Top 22%)2547(Top 136%)
30K18.64 mi3.11 mi10495-1562152-1362152-13611546(Top 43%)2926(Top 26%)2926(Top 156%)
20M20.00 mi1.36 mi10613-1182233-812233-8112055(Top 45%)3303(Top 29%)3303(Top 176%)
21M21.00 mi1.00 mi10637-242268-352268-3511474(Top 43%)3125(Top 27%)3125(Top 166%)
35K21.75 mi0.75 mi10641-42294-262294-2611636(Top 44%)3215(Top 28%)3215(Top 171%)
23M23.00 mi1.25 mi10791-1502402-1082402-10813095(Top 49%)4116(Top 36%)4116(Top 219%)
24M24.00 mi1.00 mi10873-822464-622464-6212944(Top 49%)4096(Top 36%)4096(Top 218%)
40K24.85 mi0.85 mi10978-1052540-762540-7613471(Top 51%)4448(Top 39%)4448(Top 237%)
25.2M25.20 mi0.35 mi11013-352574-342574-3414093(Top 53%)4777(Top 42%)4777(Top 254%)
Finish26.22 mi1.02 mi11200-1872689-1152689-11515127(Top 57%)5316(Top 47%)5316(Top 283%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21story building
+97ft-345ft

Overall

10501

Females

2077

F40-44

2077

5K→10K

3.1 - 6.2 mi

Top 37%
×5story building
+79ft-138ft

Overall

9817

Females

1743

F40-44

1743

10K→15K

6.2 - 9.3 mi

Top 39%
×3story building
+67ft-78ft

Overall

10501

Females

2077

F40-44

2077

15K→20K

9.3 - 12.4 mi

Top 39%
×5story building
+106ft-86ft

Overall

10436

Females

2117

F40-44

2117

20K→Half

12.4 - 13.1 mi

Top 43%
×2story building
+19ft-37ft

Overall

11470

Females

2611

F40-44

2611

Half→25K

13.1 - 15.5 mi

Top 42%
×4story building
+66ft-88ft

Overall

11121

Females

2547

F40-44

2547

25K→30K

15.5 - 18.6 mi

Top 43%
×9story building
+181ft-148ft

Overall

11546

Females

2926

F40-44

2926

30K→20M

18.6 - 20.0 mi

Top 45%
×5story building
+64ft-50ft

Overall

12055

Females

3303

F40-44

3303

20M→21M

20.0 - 21.0 mi

Top 43%
×8story building
+106ft-24ft

Overall

11474

Females

3125

F40-44

3125

21M→35K

21.0 - 21.8 mi

Top 44%
×7story building
+17ft-86ft

Overall

11636

Females

3215

F40-44

3215

35K→23M

21.8 - 23.0 mi

Top 49%
×5story building
+23ft-63ft

Overall

13095

Females

4116

F40-44

4116

23M→24M

23.0 - 24.0 mi

Top 49%
×6story building
+12ft-82ft

Overall

12944

Females

4096

F40-44

4096

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

13471

Females

4448

F40-44

4448

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

14093

Females

4777

F40-44

4777

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2story building
+22ft-21ft

Overall

15127

Females

5316

F40-44

5316

Passing Analysis

Category:
Athletes Passed
1262*
Passed By
2346
Net Change
-1086
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10114
5K → 10K424*211+213#10114#9901
10K → 15K115311-198#9901#10099
15K → 20K137*206-69#10099#10168
20K → Half1575-60#10168#10228
Half → 25K105216-111#10228#10339
25K → 30K120276-156#10339#10495
30K → 20M45*163-118#10495#10613
20M → 21M6690-24#10613#10637
21M → 35K5761-4#10637#10641
35K → 23M42192-150#10641#10791
23M → 24M47129-82#10791#10873
24M → 40K33138-105#10873#10978
40K → 25.2M2964-35#10978#11013
25.2M → Finish27214-187#11013#11200
TOTALS1262*2346-1086

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

📊

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