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BOSTON MARATHON 2023

Danielle Bradley

Bib: 15214•F

IL

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 44%
Gender (Female)
#0 / 11423
Top 26%
Division (F18-39)
#0 / 4884
Top 44%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:44
Rank: #10932
Start → 5K
23:44 | 7:38/mi
10K· 6.21 mi
47:13
Rank: #10920 (+12)
5K → 10K
23:29 | 7:34/mi
15K· 9.32 mi
1:10:33
Rank: #10666 (+254)
10K → 15K
23:20 | 7:31/mi
20K· 12.43 mi
1:34:11
Rank: #10514 (+152)
15K → 20K
23:38 | 7:36/mi
Half· 13.11 mi
1:39:28
Rank: #10618 (-104)
20K → Half
5:17 | 7:45/mi
25K· 15.53 mi
1:58:11
Rank: #10556 (+62)
Half → 25K
18:43 | 7:43/mi
30K· 18.64 mi
2:23:19
Rank: #10665 (-109)
25K → 30K
25:08 | 8:05/mi
20M
2:34:31
Rank: #10745 (-80)
30K → 20M
11:12 | 8:15/mi
21M
2:43:32
Rank: #10907 (-162)
20M → 21M
9:01 | 9:01/mi
35K· 21.75 mi
2:49:50
Rank: #11068 (-161)
21M → 35K
6:18 | 8:25/mi
23M
3:00:52
Rank: #11336 (-268)
35K → 23M
11:02 | 8:49/mi
24M
3:09:11
Rank: #11431 (-95)
23M → 24M
8:19 | 8:19/mi
40K· 24.85 mi
3:16:30
Rank: #11539 (-108)
24M → 40K
7:19 | 8:33/mi
25.2M
3:19:46
Rank: #11597 (-58)
40K → 25.2M
3:16 | 9:28/mi
Finish· 26.22 mi
3:28:36
Rank: #11820 (-223)
25.2M → Finish
8:50 | 8:40/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:28
Pace7:35 /mi
2nd Half
Distance13.11 mi
Time1:49:08
Pace8:20 /mi
📊Positive Split: 9.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:1423:447:3823:44
7:38
-
10K
6.21 mi11:17:4347:137:3623:29
7:34
-0:04
15K
9.32 mi11:41:031:10:337:3423:20
7:31
-0:03
20K
12.43 mi12:04:411:34:117:3523:38
7:36
+0:05
Half
13.11 mi12:09:581:39:287:355:17
7:45
+0:09
25K
15.53 mi12:28:411:58:117:3618:43
7:43
-0:02
30K
18.64 mi12:53:492:23:197:4125:08
8:05
+0:22
20M
20.00 mi13:05:012:34:317:4411:12
8:15
+0:10
21M
21.00 mi13:14:022:43:327:479:01
9:01
+0:46
35K
21.75 mi13:20:202:49:507:496:18
8:25
-0:36
23M
23.00 mi13:31:223:00:527:5211:02
8:49
+0:24
24M
24.00 mi13:39:413:09:117:538:19
8:19
-0:30
40K
24.85 mi13:47:003:16:307:547:19
8:33
+0:14
25.2M
25.20 mi13:50:163:19:467:563:16
9:28
+0:55
Finish
26.22 mi13:59:063:28:367:588:50
8:40
-0:48

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

7:31 /mi

Average Pace

7:58 /mi

Slowest Pace

9:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:58:11

57% of race

Time at Steady Pace

50:57

24% of race

Time at Slower Pace

39:28

19% of race

Average Pace: 7:57 /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 mi10:54:1423:447:3823:44
7:38
#10932
10K
6.21 mi11:17:4347:137:3623:29
7:34
#10920
15K
9.32 mi11:41:031:10:337:3423:20
7:31
#10666
20K
12.43 mi12:04:411:34:117:3523:38
7:36
#10514
Half
13.11 mi12:09:581:39:287:355:17
7:45
#10618
25K
15.53 mi12:28:411:58:117:3618:43
7:43
#10556
30K
18.64 mi12:53:492:23:197:4125:08
8:05
#10665
20M
20.00 mi13:05:012:34:317:4411:12
8:15
#10745
21M
21.00 mi13:14:022:43:327:479:01
9:01
#10907
35K
21.75 mi13:20:202:49:507:496:18
8:25
#11068
23M
23.00 mi13:31:223:00:527:5211:02
8:49
#11336
24M
24.00 mi13:39:413:09:117:538:19
8:19
#11431
40K
24.85 mi13:47:003:16:307:547:19
8:33
#11539
25.2M
25.20 mi13:50:163:19:467:563:16
9:28
#11597
Finish
26.22 mi13:59:063:28:367:588:50
8:40
#11820
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi109322298229810277(Top 39%)1975(Top 17%)1975(Top 40%)
10K6.21 mi3.10 mi10920+122285+132285+1310958(Top 41%)2294(Top 20%)2294(Top 47%)
15K9.32 mi3.11 mi10666+2542151+1342151+13410277(Top 39%)1975(Top 17%)1975(Top 40%)
20K12.43 mi3.11 mi10514+1522078+732078+7310154(Top 38%)1988(Top 17%)1988(Top 41%)
Half13.11 mi0.68 mi10618-1042134-562134-5612286(Top 46%)3078(Top 27%)3078(Top 63%)
25K15.53 mi2.42 mi10556+622123+112123+1110471(Top 39%)2218(Top 19%)2218(Top 45%)
30K18.64 mi3.11 mi10665-1092238-1152238-11511583(Top 44%)2945(Top 26%)2945(Top 60%)
20M20.00 mi1.36 mi10745-802305-672305-6711969(Top 45%)3255(Top 28%)3255(Top 67%)
21M21.00 mi1.00 mi10907-1622417-1122417-11213518(Top 51%)4213(Top 37%)4213(Top 86%)
35K21.75 mi0.75 mi11068-1612501-842501-8414848(Top 56%)5003(Top 44%)5003(Top 102%)
23M23.00 mi1.25 mi11336-2682679-1782679-17815055(Top 57%)5201(Top 46%)5201(Top 106%)
24M24.00 mi1.00 mi11431-952753-742753-7413333(Top 50%)4291(Top 38%)4291(Top 88%)
40K24.85 mi0.85 mi11539-1082835-822835-8213704(Top 51%)4571(Top 40%)4571(Top 94%)
25.2M25.20 mi0.35 mi11597-582876-412876-4115061(Top 57%)5315(Top 47%)5315(Top 109%)
Finish26.22 mi1.02 mi11820-2233021-1453021-14516335(Top 61%)6004(Top 53%)6004(Top 123%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21stories
+97ft-345ft

Overall

10277

Females

1975

F18-39

1975

5K→10K

3.1 - 6.2 mi

Top 41%
×5stories
+79ft-138ft

Overall

10958

Females

2294

F18-39

2294

10K→15K

6.2 - 9.3 mi

Top 39%
×3stories
+67ft-78ft

Overall

10277

Females

1975

F18-39

1975

15K→20K

9.3 - 12.4 mi

Top 38%
×5stories
+106ft-86ft

Overall

10154

Females

1988

F18-39

1988

20K→Half

12.4 - 13.1 mi

Top 46%
×2stories
+19ft-37ft

Overall

12286

Females

3078

F18-39

3078

Half→25K

13.1 - 15.5 mi

Top 39%
×4stories
+66ft-88ft

Overall

10471

Females

2218

F18-39

2218

25K→30K

15.5 - 18.6 mi

Top 44%
×9stories
+181ft-148ft

Overall

11583

Females

2945

F18-39

2945

30K→20M

18.6 - 20.0 mi

Top 45%
×5stories
+64ft-50ft

Overall

11969

Females

3255

F18-39

3255

20M→21M

20.0 - 21.0 mi

Top 51%
×8stories
+106ft-24ft

Overall

13518

Females

4213

F18-39

4213

21M→35K

21.0 - 21.8 mi

Top 56%
×7stories
+17ft-86ft

Overall

14848

Females

5003

F18-39

5003

35K→23M

21.8 - 23.0 mi

Top 57%
×5stories
+23ft-63ft

Overall

15055

Females

5201

F18-39

5201

23M→24M

23.0 - 24.0 mi

Top 50%
×6stories
+12ft-82ft

Overall

13333

Females

4291

F18-39

4291

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

13704

Females

4571

F18-39

4571

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

15061

Females

5315

F18-39

5315

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2stories
+22ft-21ft

Overall

16335

Females

6004

F18-39

6004

Passing Analysis

Category:
Athletes Passed
1436*
Passed By
2324
Net Change
-888
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10932
5K → 10K299287+12#10932#10920
10K → 15K33379+254#10920#10666
15K → 20K24189+152#10666#10514
20K → Half9113-104#10514#10618
Half → 25K15189+62#10618#10556
25K → 30K142251-109#10556#10665
30K → 20M54*134-80#10665#10745
20M → 21M31193-162#10745#10907
21M → 35K19180-161#10907#11068
35K → 23M38306-268#11068#11336
23M → 24M36131-95#11336#11431
24M → 40K36144-108#11431#11539
40K → 25.2M1977-58#11539#11597
25.2M → Finish28251-223#11597#11820
TOTALS1436*2324-888

* 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