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BOSTON MARATHON 2023

Denise Martin

Bib: 18860•F

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 43%
Gender (Female)
#0 / 11423
Top 25%
Division (F18-39)
#0 / 4884
Top 42%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:28
Rank: #13046
Start → 5K
7:53/mi
24:28 split
10K· 6.21 mi
48:46
Rank: #13176 (-130)
5K → 10K
7:49/mi
24:18 split
15K· 9.32 mi
1:13:35
Rank: #13536 (-360)
10K → 15K
7:59/mi
24:49 split
20K· 12.43 mi
1:38:03
Rank: #13228 (+308)
15K → 20K
7:53/mi
24:28 split
Half· 13.11 mi
1:43:19
Rank: #13142 (+86)
20K → Half
7:43/mi
5:16 split
25K· 15.53 mi
2:02:25
Rank: #12872 (+270)
Half → 25K
7:53/mi
19:06 split
30K· 18.64 mi
2:27:17
Rank: #12474 (+398)
25K → 30K
8:00/mi
24:52 split
20M
2:38:10
Rank: #12276 (+198)
30K → 20M
8:01/mi
10:53 split
21M
2:46:34
Rank: #12111 (+165)
20M → 21M
8:24/mi
8:24 split
35K· 21.75 mi
2:52:16
Rank: #12002 (+109)
21M → 35K
7:37/mi
5:42 split
23M
3:02:13
Rank: #11832 (+170)
35K → 23M
7:57/mi
9:57 split
24M
3:09:58
Rank: #11710 (+122)
23M → 24M
7:45/mi
7:45 split
40K· 24.85 mi
3:16:49
Rank: #11639 (+71)
24M → 40K
8:01/mi
6:51 split
25.2M
3:19:45
Rank: #11584 (+55)
40K → 25.2M
8:30/mi
2:56 split
Finish· 26.22 mi
3:27:44
Rank: #11525 (+59)
25.2M → Finish
7:50/mi
7:59 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:19
Pace7:53 /mi
2nd Half
Distance13.11 mi
Time1:44:25
Pace7:58 /mi
📊Positive Split: 1.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:3724:287:5324:28
7:53
-
10K
6.21 mi11:39:5548:467:5124:18
7:49
-0:04
15K
9.32 mi12:04:441:13:357:5424:49
7:59
+0:10
20K
12.43 mi12:29:121:38:037:5324:28
7:53
-0:06
Half
13.11 mi12:34:281:43:197:535:16
7:43
-0:10
25K
15.53 mi12:53:342:02:257:5319:06
7:53
+0:10
30K
18.64 mi13:18:262:27:177:5424:52
8:00
+0:07
20M
20.00 mi13:29:192:38:107:5410:53
8:01
+0:01
21M
21.00 mi13:37:432:46:347:568:24
8:24
+0:23
35K
21.75 mi13:43:252:52:167:555:42
7:37
-0:47
23M
23.00 mi13:53:223:02:137:559:57
7:57
+0:20
24M
24.00 mi14:01:073:09:587:557:45
7:45
-0:12
40K
24.85 mi14:07:583:16:497:556:51
8:01
+0:16
25.2M
25.20 mi14:10:543:19:457:562:56
8:30
+0:29
Finish
26.22 mi14:18:533:27:447:567:59
7:50
-0:40

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

7:37 /mi

Average Pace

7:56 /mi

Slowest Pace

8:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:16:24

95% of race

Time at Steady Pace

11:20

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:55 /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 mi11:15:3724:287:5324:28
7:53
#13046
10K
6.21 mi11:39:5548:467:5124:18
7:49
#13176
15K
9.32 mi12:04:441:13:357:5424:49
7:59
#13536
20K
12.43 mi12:29:121:38:037:5324:28
7:53
#13228
Half
13.11 mi12:34:281:43:197:535:16
7:43
#13142
25K
15.53 mi12:53:342:02:257:5319:06
7:53
#12872
30K
18.64 mi13:18:262:27:177:5424:52
8:00
#12474
20M
20.00 mi13:29:192:38:107:5410:53
8:01
#12276
21M
21.00 mi13:37:432:46:347:568:24
8:24
#12111
35K
21.75 mi13:43:252:52:167:555:42
7:37
#12002
23M
23.00 mi13:53:223:02:137:559:57
7:57
#11832
24M
24.00 mi14:01:073:09:587:557:45
7:45
#11710
40K
24.85 mi14:07:583:16:497:556:51
8:01
#11639
25.2M
25.20 mi14:10:543:19:457:562:56
8:30
#11584
Finish
26.22 mi14:18:533:27:447:567:59
7:50
#11525
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi130463467346714289(Top 54%)4246(Top 37%)4246(Top 87%)
10K6.21 mi3.10 mi13176-1303553-863553-8613331(Top 50%)3623(Top 32%)3623(Top 74%)
15K9.32 mi3.11 mi13536-3603773-2203773-22014289(Top 54%)4246(Top 37%)4246(Top 87%)
20K12.43 mi3.11 mi13228+3083619+1543619+15412404(Top 47%)3197(Top 28%)3197(Top 65%)
Half13.11 mi0.68 mi13142+863565+543565+5412092(Top 45%)2970(Top 26%)2970(Top 61%)
25K15.53 mi2.42 mi12872+2703440+1253440+12511757(Top 44%)2931(Top 26%)2931(Top 60%)
30K18.64 mi3.11 mi12474+3983240+2003240+20010956(Top 41%)2617(Top 23%)2617(Top 54%)
20M20.00 mi1.36 mi12276+1983145+953145+9510368(Top 39%)2414(Top 21%)2414(Top 49%)
21M21.00 mi1.00 mi12111+1653071+743071+749892(Top 37%)2338(Top 20%)2338(Top 48%)
35K21.75 mi0.75 mi12002+1093023+483023+489458(Top 36%)2135(Top 19%)2135(Top 44%)
23M23.00 mi1.25 mi11832+1702949+742949+749428(Top 35%)2237(Top 20%)2237(Top 46%)
24M24.00 mi1.00 mi11710+1222901+482901+489464(Top 36%)2325(Top 20%)2325(Top 48%)
40K24.85 mi0.85 mi11639+712883+182883+1810169(Top 38%)2741(Top 24%)2741(Top 56%)
25.2M25.20 mi0.35 mi11584+552866+172866+179661(Top 36%)2544(Top 22%)2544(Top 52%)
Finish26.22 mi1.02 mi11525+592866286610959(Top 41%)3167(Top 28%)3167(Top 65%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21story building
+97ft-345ft

Overall

14289

Females

4246

F18-39

4246

5K→10K

3.1 - 6.2 mi

Top 50%
×5story building
+79ft-138ft

Overall

13331

Females

3623

F18-39

3623

10K→15K

6.2 - 9.3 mi

Top 54%
×3story building
+67ft-78ft

Overall

14289

Females

4246

F18-39

4246

15K→20K

9.3 - 12.4 mi

Top 47%
×5story building
+106ft-86ft

Overall

12404

Females

3197

F18-39

3197

20K→Half

12.4 - 13.1 mi

Top 45%
×2story building
+19ft-37ft

Overall

12092

Females

2970

F18-39

2970

Half→25K

13.1 - 15.5 mi

Top 44%
×4story building
+66ft-88ft

Overall

11757

Females

2931

F18-39

2931

25K→30K

15.5 - 18.6 mi

Top 41%
×9story building
+181ft-148ft

Overall

10956

Females

2617

F18-39

2617

30K→20M

18.6 - 20.0 mi

Top 39%
×5story building
+64ft-50ft

Overall

10368

Females

2414

F18-39

2414

20M→21M

20.0 - 21.0 mi

Top 37%
×8story building
+106ft-24ft

Overall

9892

Females

2338

F18-39

2338

21M→35K

21.0 - 21.8 mi

Top 36%
×7story building
+17ft-86ft

Overall

9458

Females

2135

F18-39

2135

35K→23M

21.8 - 23.0 mi

Top 35%
×5story building
+23ft-63ft

Overall

9428

Females

2237

F18-39

2237

23M→24M

23.0 - 24.0 mi

Top 36%
×6story building
+12ft-82ft

Overall

9464

Females

2325

F18-39

2325

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

10169

Females

2741

F18-39

2741

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

9661

Females

2544

F18-39

2544

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2story building
+22ft-21ft

Overall

10959

Females

3167

F18-39

3167

Passing Analysis

Category:
Athletes Passed
2636
Passed By
1115
Net Change
+1521
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13046
5K → 10K247377-130#13046#13176
10K → 15K88448-360#13176#13536
15K → 20K36860+308#13536#13228
20K → Half904+86#13228#13142
Half → 25K30131+270#13142#12872
25K → 30K43840+398#12872#12474
30K → 20M21416+198#12474#12276
20M → 21M18621+165#12276#12111
21M → 35K1134+109#12111#12002
35K → 23M19121+170#12002#11832
23M → 24M14018+122#11832#11710
24M → 40K9625+71#11710#11639
40K → 25.2M649+55#11639#11584
25.2M → Finish10041+59#11584#11525
TOTALS26361115+1521
📊

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