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BOSTON MARATHON 2023

Alexandra Darmon

Bib: 17328•F

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 21%
Gender (Female)
#0 / 11423
Top 5%
Division (F18-39)
#0 / 4884
Top 9%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:10
Rank: #9275
Start → 5K
23:10 | 7:27/mi
10K· 6.21 mi
45:13
Rank: #8298 (+977)
5K → 10K
22:03 | 7:06/mi
15K· 9.32 mi
1:07:24
Rank: #7989 (+309)
10K → 15K
22:11 | 7:08/mi
20K· 12.43 mi
1:29:49
Rank: #7756 (+233)
15K → 20K
22:25 | 7:13/mi
Half· 13.11 mi
1:34:34
Rank: #7650 (+106)
20K → Half
4:45 | 6:58/mi
25K· 15.53 mi
1:51:27
Rank: #7222 (+428)
Half → 25K
16:53 | 6:58/mi
30K· 18.64 mi
2:13:36
Rank: #6790 (+432)
25K → 30K
22:09 | 7:08/mi
20M
2:23:16
Rank: #6605 (+185)
30K → 20M
9:40 | 7:07/mi
21M
2:30:38
Rank: #6409 (+196)
20M → 21M
7:22 | 7:22/mi
35K· 21.75 mi
2:35:37
Rank: #6286 (+123)
21M → 35K
4:59 | 6:40/mi
23M
2:44:25
Rank: #6092 (+194)
35K → 23M
8:48 | 7:02/mi
24M
2:51:20
Rank: #5958 (+134)
23M → 24M
6:55 | 6:55/mi
40K· 24.85 mi
2:57:21
Rank: #5847 (+111)
24M → 40K
6:01 | 7:02/mi
25.2M
2:59:57
Rank: #5794 (+53)
40K → 25.2M
2:36 | 7:32/mi
Finish· 26.22 mi
3:06:51
Rank: #5664 (+130)
25.2M → Finish
6:54 | 6:46/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:34:34
Pace7:13 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:32:17
Pace7:02 /mi
📊Negative Split: 2.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:5523:107:2723:10
7:27
-
10K
6.21 mi11:36:5845:137:1722:03
7:06
-0:21
15K
9.32 mi11:59:091:07:247:1422:11
7:08
+0:02
20K
12.43 mi12:21:341:29:497:1422:25
7:13
+0:05
Half
13.11 mi12:26:191:34:347:134:45
6:58
-0:15
25K
15.53 mi12:43:121:51:277:1016:53
6:58
0:00
30K
18.64 mi13:05:212:13:367:1022:09
7:08
+0:10
20M
20.00 mi13:15:012:23:167:109:40
7:07
-0:01
21M
21.00 mi13:22:232:30:387:107:22
7:22
+0:15
35K
21.75 mi13:27:222:35:377:094:59
6:40
-0:42
23M
23.00 mi13:36:102:44:257:098:48
7:02
+0:22
24M
24.00 mi13:43:052:51:207:086:55
6:55
-0:07
40K
24.85 mi13:49:062:57:217:086:01
7:02
+0:07
25.2M
25.20 mi13:51:422:59:577:082:36
7:32
+0:30
Finish
26.22 mi13:58:363:06:517:086:54
6:46
-0:46

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

6:40 /mi

Average Pace

7:08 /mi

Slowest Pace

7:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:33:43

82% of race

Time at Steady Pace

33:08

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:08 /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 mi11:14:5523:107:2723:10
7:27
#9275
10K
6.21 mi11:36:5845:137:1722:03
7:06
#8298
15K
9.32 mi11:59:091:07:247:1422:11
7:08
#7989
20K
12.43 mi12:21:341:29:497:1422:25
7:13
#7756
Half
13.11 mi12:26:191:34:347:134:45
6:58
#7650
25K
15.53 mi12:43:121:51:277:1016:53
6:58
#7222
30K
18.64 mi13:05:212:13:367:1022:09
7:08
#6790
20M
20.00 mi13:15:012:23:167:109:40
7:07
#6605
21M
21.00 mi13:22:232:30:387:107:22
7:22
#6409
35K
21.75 mi13:27:222:35:377:094:59
6:40
#6286
23M
23.00 mi13:36:102:44:257:098:48
7:02
#6092
24M
24.00 mi13:43:052:51:207:086:55
6:55
#5958
40K
24.85 mi13:49:062:57:217:086:01
7:02
#5847
25.2M
25.20 mi13:51:422:59:577:082:36
7:32
#5794
Finish
26.22 mi13:58:363:06:517:086:54
6:46
#5664
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9275151515157409(Top 28%)861(Top 8%)861(Top 18%)
10K6.21 mi3.10 mi8298+9771140+3751140+3757430(Top 28%)867(Top 8%)867(Top 18%)
15K9.32 mi3.11 mi7989+3091030+1101030+1107409(Top 28%)861(Top 8%)861(Top 18%)
20K12.43 mi3.11 mi7756+233964+66964+667197(Top 27%)835(Top 7%)835(Top 17%)
Half13.11 mi0.68 mi7650+106933+31933+316383(Top 24%)595(Top 5%)595(Top 12%)
25K15.53 mi2.42 mi7222+428810+123810+1235385(Top 20%)421(Top 4%)421(Top 9%)
30K18.64 mi3.11 mi6790+432724+86724+865096(Top 19%)415(Top 4%)415(Top 8%)
20M20.00 mi1.36 mi6605+185692+32692+324708(Top 18%)404(Top 4%)404(Top 8%)
21M21.00 mi1.00 mi6409+196652+40652+404009(Top 15%)315(Top 3%)315(Top 6%)
35K21.75 mi0.75 mi6286+123625+27625+273401(Top 13%)244(Top 2%)244(Top 5%)
23M23.00 mi1.25 mi6092+194592+33592+333947(Top 15%)315(Top 3%)315(Top 6%)
24M24.00 mi1.00 mi5958+134576+16576+164288(Top 16%)395(Top 3%)395(Top 8%)
40K24.85 mi0.85 mi5847+111559+17559+174074(Top 15%)427(Top 4%)427(Top 9%)
25.2M25.20 mi0.35 mi5794+53553+6553+64160(Top 16%)486(Top 4%)486(Top 10%)
Finish26.22 mi1.02 mi5664+130536+17536+173942(Top 15%)449(Top 4%)449(Top 9%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21stories
+97ft-345ft

Overall

7409

Females

861

F18-39

861

5K→10K

3.1 - 6.2 mi

Top 28%
×5stories
+79ft-138ft

Overall

7430

Females

867

F18-39

867

10K→15K

6.2 - 9.3 mi

Top 28%
×3stories
+67ft-78ft

Overall

7409

Females

861

F18-39

861

15K→20K

9.3 - 12.4 mi

Top 27%
×5stories
+106ft-86ft

Overall

7197

Females

835

F18-39

835

20K→Half

12.4 - 13.1 mi

Top 24%
×2stories
+19ft-37ft

Overall

6383

Females

595

F18-39

595

Half→25K

13.1 - 15.5 mi

Top 20%
×4stories
+66ft-88ft

Overall

5385

Females

421

F18-39

421

25K→30K

15.5 - 18.6 mi

Top 19%
×9stories
+181ft-148ft

Overall

5096

Females

415

F18-39

415

30K→20M

18.6 - 20.0 mi

Top 18%
×5stories
+64ft-50ft

Overall

4708

Females

404

F18-39

404

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

4009

Females

315

F18-39

315

21M→35K

21.0 - 21.8 mi

Top 13%
×7stories
+17ft-86ft

Overall

3401

Females

244

F18-39

244

35K→23M

21.8 - 23.0 mi

Top 15%
×5stories
+23ft-63ft

Overall

3947

Females

315

F18-39

315

23M→24M

23.0 - 24.0 mi

Top 16%
×6stories
+12ft-82ft

Overall

4288

Females

395

F18-39

395

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

4074

Females

427

F18-39

427

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4160

Females

486

F18-39

486

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2stories
+22ft-21ft

Overall

3942

Females

449

F18-39

449

Passing Analysis

Category:
Athletes Passed
3725
Passed By
114
Net Change
+3611
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9275
5K → 10K99922+977#9275#8298
10K → 15K34132+309#8298#7989
15K → 20K25522+233#7989#7756
20K → Half1071+106#7756#7650
Half → 25K4280+428#7650#7222
25K → 30K4386+432#7222#6790
30K → 20M1872+185#6790#6605
20M → 21M1982+196#6605#6409
21M → 35K1252+123#6409#6286
35K → 23M1973+194#6286#6092
23M → 24M1384+134#6092#5958
24M → 40K1165+111#5958#5847
40K → 25.2M563+53#5847#5794
25.2M → Finish14010+130#5794#5664
TOTALS3725114+3611
📊

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