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BOSTON MARATHON 2023

Olivia Tracy

Bib: 25628•F

NH

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:43
Rank: #20081
Start → 5K
27:43 | 8:55/mi
10K· 6.21 mi
53:25
Rank: #18517 (+1564)
5K → 10K
25:42 | 8:16/mi
15K· 9.32 mi
1:19:01
Rank: #17708 (+809)
10K → 15K
25:36 | 8:14/mi
20K· 12.43 mi
1:45:02
Rank: #17263 (+445)
15K → 20K
26:01 | 8:22/mi
Half· 13.11 mi
1:50:33
Rank: #17157 (+106)
20K → Half
5:31 | 8:05/mi
25K· 15.53 mi
2:10:44
Rank: #16834 (+323)
Half → 25K
20:11 | 8:19/mi
30K· 18.64 mi
2:37:56
Rank: #16613 (+221)
25K → 30K
27:12 | 8:45/mi
20M
2:49:51
Rank: #16481 (+132)
30K → 20M
11:55 | 8:46/mi
21M
2:59:26
Rank: #16455 (+26)
20M → 21M
9:35 | 9:35/mi
35K· 21.75 mi
3:05:53
Rank: #16437 (+18)
21M → 35K
6:27 | 8:37/mi
23M
3:17:37
Rank: #16538 (-101)
35K → 23M
11:44 | 9:22/mi
24M
3:26:47
Rank: #16602 (-64)
23M → 24M
9:10 | 9:10/mi
40K· 24.85 mi
3:34:42
Rank: #16638 (-36)
24M → 40K
7:55 | 9:16/mi
25.2M
3:38:01
Rank: #16611 (+27)
40K → 25.2M
3:19 | 9:37/mi
Finish· 26.22 mi
3:46:58
Rank: #16611
25.2M → Finish
8:57 | 8:47/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:33
Pace8:26 /mi
2nd Half
Distance13.11 mi
Time1:56:25
Pace8:53 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:3227:438:5527:43
8:55
-
10K
6.21 mi12:10:1453:258:3625:42
8:16
-0:39
15K
9.32 mi12:35:501:19:018:2925:36
8:14
-0:02
20K
12.43 mi13:01:511:45:028:2726:01
8:22
+0:08
Half
13.11 mi13:07:221:50:338:265:31
8:05
-0:17
25K
15.53 mi13:27:332:10:448:2520:11
8:19
+0:14
30K
18.64 mi13:54:452:37:568:2827:12
8:45
+0:26
20M
20.00 mi14:06:402:49:518:3011:55
8:46
+0:01
21M
21.00 mi14:16:152:59:268:339:35
9:35
+0:49
35K
21.75 mi14:22:423:05:538:336:27
8:37
-0:58
23M
23.00 mi14:34:263:17:378:3611:44
9:22
+0:45
24M
24.00 mi14:43:363:26:478:379:10
9:10
-0:12
40K
24.85 mi14:51:313:34:428:387:55
9:16
+0:06
25.2M
25.20 mi14:54:503:38:018:393:19
9:37
+0:21
Finish
26.22 mi15:03:473:46:588:408:57
8:47
-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

8:05 /mi

Average Pace

8:40 /mi

Slowest Pace

9:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:37:32

69% of race

Time at Steady Pace

56:32

25% of race

Time at Slower Pace

12:54

6% of race

Average Pace: 8:39 /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 mi11:44:3227:438:5527:43
8:55
#20081
10K
6.21 mi12:10:1453:258:3625:42
8:16
#18517
15K
9.32 mi12:35:501:19:018:2925:36
8:14
#17708
20K
12.43 mi13:01:511:45:028:2726:01
8:22
#17263
Half
13.11 mi13:07:221:50:338:265:31
8:05
#17157
25K
15.53 mi13:27:332:10:448:2520:11
8:19
#16834
30K
18.64 mi13:54:452:37:568:2827:12
8:45
#16613
20M
20.00 mi14:06:402:49:518:3011:55
8:46
#16481
21M
21.00 mi14:16:152:59:268:339:35
9:35
#16455
35K
21.75 mi14:22:423:05:538:336:27
8:37
#16437
23M
23.00 mi14:34:263:17:378:3611:44
9:22
#16538
24M
24.00 mi14:43:363:26:478:379:10
9:10
#16602
40K
24.85 mi14:51:313:34:428:387:55
9:16
#16638
25.2M
25.20 mi14:54:503:38:018:393:19
9:37
#16611
Finish
26.22 mi15:03:473:46:588:408:57
8:47
#16611
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi200817864786416155(Top 61%)5388(Top 47%)5388(Top 110%)
10K6.21 mi3.10 mi18517+15646838+10266838+102616743(Top 63%)5715(Top 50%)5715(Top 117%)
15K9.32 mi3.11 mi17708+8096341+4976341+49716155(Top 61%)5388(Top 47%)5388(Top 110%)
20K12.43 mi3.11 mi17263+4456089+2526089+25216096(Top 60%)5408(Top 47%)5408(Top 111%)
Half13.11 mi0.68 mi17157+1066019+706019+7015130(Top 57%)4775(Top 42%)4775(Top 98%)
25K15.53 mi2.42 mi16834+3235854+1655854+16515122(Top 57%)4927(Top 43%)4927(Top 101%)
30K18.64 mi3.11 mi16613+2215757+975757+9715819(Top 59%)5397(Top 47%)5397(Top 111%)
20M20.00 mi1.36 mi16481+1325689+685689+6815278(Top 57%)5158(Top 45%)5158(Top 106%)
21M21.00 mi1.00 mi16455+265683+65683+616366(Top 61%)5832(Top 51%)5832(Top 119%)
35K21.75 mi0.75 mi16437+185680+35680+316010(Top 60%)5700(Top 50%)5700(Top 117%)
23M23.00 mi1.25 mi16538-1015750-705750-7017822(Top 67%)6761(Top 59%)6761(Top 138%)
24M24.00 mi1.00 mi16602-645807-575807-5717943(Top 67%)6867(Top 60%)6867(Top 141%)
40K24.85 mi0.85 mi16638-365847-405847-4017354(Top 65%)6597(Top 58%)6597(Top 135%)
25.2M25.20 mi0.35 mi16611+275836+115836+1115794(Top 59%)5750(Top 50%)5750(Top 118%)
Finish26.22 mi1.02 mi166115845-95845-916963(Top 64%)6350(Top 56%)6350(Top 130%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21stories
+97ft-345ft

Overall

16155

Females

5388

F18-39

5388

5K→10K

3.1 - 6.2 mi

Top 63%
×5stories
+79ft-138ft

Overall

16743

Females

5715

F18-39

5715

10K→15K

6.2 - 9.3 mi

Top 61%
×3stories
+67ft-78ft

Overall

16155

Females

5388

F18-39

5388

15K→20K

9.3 - 12.4 mi

Top 60%
×5stories
+106ft-86ft

Overall

16096

Females

5408

F18-39

5408

20K→Half

12.4 - 13.1 mi

Top 57%
×2stories
+19ft-37ft

Overall

15130

Females

4775

F18-39

4775

Half→25K

13.1 - 15.5 mi

Top 57%
×4stories
+66ft-88ft

Overall

15122

Females

4927

F18-39

4927

25K→30K

15.5 - 18.6 mi

Top 59%
×9stories
+181ft-148ft

Overall

15819

Females

5397

F18-39

5397

30K→20M

18.6 - 20.0 mi

Top 57%
×5stories
+64ft-50ft

Overall

15278

Females

5158

F18-39

5158

20M→21M

20.0 - 21.0 mi

Top 61%
×8stories
+106ft-24ft

Overall

16366

Females

5832

F18-39

5832

21M→35K

21.0 - 21.8 mi

Top 60%
×7stories
+17ft-86ft

Overall

16010

Females

5700

F18-39

5700

35K→23M

21.8 - 23.0 mi

Top 67%
×5stories
+23ft-63ft

Overall

17822

Females

6761

F18-39

6761

23M→24M

23.0 - 24.0 mi

Top 67%
×6stories
+12ft-82ft

Overall

17943

Females

6867

F18-39

6867

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

17354

Females

6597

F18-39

6597

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

15794

Females

5750

F18-39

5750

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2stories
+22ft-21ft

Overall

16963

Females

6350

F18-39

6350

Passing Analysis

Category:
Athletes Passed
4175
Passed By
705
Net Change
+3470
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20081
5K → 10K159935+1564#20081#18517
10K → 15K82112+809#18517#17708
15K → 20K46924+445#17708#17263
20K → Half1104+106#17263#17157
Half → 25K33512+323#17157#16834
25K → 30K28160+221#16834#16613
30K → 20M15725+132#16613#16481
20M → 21M9367+26#16481#16455
21M → 35K5840+18#16455#16437
35K → 23M56157-101#16437#16538
23M → 24M47111-64#16538#16602
24M → 40K4783-36#16602#16638
40K → 25.2M4619+27#16638#16611
25.2M → Finish56560#16611#16611
TOTALS4175705+3470
📊

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