Boston Marathon logo
BOSTON MARATHON 2023

Mikayla Oliver

Bib: 16423•F

MI

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 44%
Gender (Female)
#0 / 11423
Top 26%
Division (F18-39)
#0 / 4884
Top 43%
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
7:54/mi
24:33
↑ 97↓ 3451.5%
10K· 6.21 mi
7:55/mi
49:08
↑ 79↓ 1380.4%
15K· 9.32 mi
7:55/mi
1:13:44
↑ 67↓ 78
20K· 12.43 mi
7:58/mi
1:38:28
↑ 106↓ 860.1%
Half· 13.11 mi
7:49/mi
1:43:48
↑ 19↓ 370.5%
25K· 15.53 mi
7:56/mi
2:03:01
↑ 66↓ 880.2%
30K· 18.64 mi
8:06/mi
2:28:10
↑ 181↓ 1480.2%
20M
8:10/mi
2:39:16
↑ 64↓ 500.2%
21M
8:37/mi
2:47:53
↑ 106↓ 241.6%
35K· 21.75 mi
7:46/mi
2:53:42
↑ 17↓ 861.7%
23M
8:06/mi
3:03:50
↑ 23↓ 630.6%
24M
7:39/mi
3:11:29
↓ 821.3%
40K· 24.85 mi
7:41/mi
3:18:03
↓ 200.3%
25.2M
8:07/mi
3:20:51
↑ 13↓ 160.2%
Finish· 26.22 mi
7:14/mi
3:28:13
↑ 22↓ 21

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:43:48
Pace7:55 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:44:25
Pace7:58 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:3824:337:5424:33
7:54
-
10K
6.21 mi11:39:1349:087:5424:35
7:55
+0:01
15K
9.32 mi12:03:491:13:447:5524:36
7:55
0:00
20K
12.43 mi12:28:331:38:287:5524:44
7:58
+0:03
Half
13.11 mi12:33:531:43:487:555:20
7:49
-0:09
25K
15.53 mi12:53:062:03:017:5519:13
7:56
+0:07
30K
18.64 mi13:18:152:28:107:5725:09
8:06
+0:10
20M
20.00 mi13:29:212:39:167:5811:06
8:10
+0:04
21M
21.00 mi13:37:582:47:538:008:37
8:37
+0:27
35K
21.75 mi13:43:472:53:427:595:49
7:46
-0:51
23M
23.00 mi13:53:553:03:508:0010:08
8:06
+0:20
24M
24.00 mi14:01:343:11:297:597:39
7:39
-0:27
40K
24.85 mi14:08:083:18:037:586:34
7:41
+0:02
25.2M
25.20 mi14:10:563:20:517:582:48
8:07
+0:26
Finish
26.22 mi14:18:183:28:137:577:22
7:14
-0:53

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

7:14 /mi

Average Pace

7:57 /mi

Slowest Pace

8:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:05:41

60% of race

Time at Steady Pace

1:13:55

35% of race

Time at Slower Pace

8:37

4% of race

Average Pace: 7:56 /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 mi11:14:3824:337:5424:33
7:54
#13267
10K
6.21 mi11:39:1349:087:5424:35
7:55
#13653
15K
9.32 mi12:03:491:13:447:5524:36
7:55
#13666
20K
12.43 mi12:28:331:38:287:5524:44
7:58
#13496
Half
13.11 mi12:33:531:43:487:555:20
7:49
#13464
25K
15.53 mi12:53:062:03:017:5519:13
7:56
#13218
30K
18.64 mi13:18:152:28:107:5725:09
8:06
#12888
20M
20.00 mi13:29:212:39:167:5811:06
8:10
#12735
21M
21.00 mi13:37:582:47:538:008:37
8:37
#12615
35K
21.75 mi13:43:472:53:427:595:49
7:46
#12520
23M
23.00 mi13:53:553:03:508:0010:08
8:06
#12394
24M
24.00 mi14:01:343:11:297:597:39
7:39
#12230
40K
24.85 mi14:08:083:18:037:586:34
7:41
#12039
25.2M
25.20 mi14:10:563:20:517:582:48
8:07
#11950
Finish
26.22 mi14:18:183:28:137:577:22
7:14
#11689
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi132673587358713719(Top 52%)3909(Top 34%)3909(Top 80%)
10K6.21 mi3.10 mi13653-3863840-2533840-25314081(Top 53%)4095(Top 36%)4095(Top 84%)
15K9.32 mi3.11 mi13666-133862-223862-2213719(Top 52%)3909(Top 34%)3909(Top 80%)
20K12.43 mi3.11 mi13496+1703779+833779+8313108(Top 49%)3601(Top 32%)3601(Top 74%)
Half13.11 mi0.68 mi13464+323761+183761+1812888(Top 48%)3417(Top 30%)3417(Top 70%)
25K15.53 mi2.42 mi13218+2463627+1343627+13412117(Top 46%)3144(Top 28%)3144(Top 64%)
30K18.64 mi3.11 mi12888+3303482+1453482+14511608(Top 44%)2964(Top 26%)2964(Top 61%)
20M20.00 mi1.36 mi12735+1533418+643418+6411485(Top 43%)2991(Top 26%)2991(Top 61%)
21M21.00 mi1.00 mi12615+1203366+523366+5211178(Top 42%)2960(Top 26%)2960(Top 61%)
35K21.75 mi0.75 mi12520+953324+423324+4210531(Top 40%)2631(Top 23%)2631(Top 54%)
23M23.00 mi1.25 mi12394+1263273+513273+5110435(Top 39%)2729(Top 24%)2729(Top 56%)
24M24.00 mi1.00 mi12230+1643204+693204+698800(Top 33%)2012(Top 18%)2012(Top 41%)
40K24.85 mi0.85 mi12039+1913124+803124+807895(Top 30%)1725(Top 15%)1725(Top 35%)
25.2M25.20 mi0.35 mi11950+893074+503074+507328(Top 28%)1572(Top 14%)1572(Top 32%)
Finish26.22 mi1.02 mi11689+2612952+1222952+1226665(Top 25%)1316(Top 12%)1316(Top 27%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21story building
+97ft-345ft

Overall

13719

Females

3909

F18-39

3909

5K→10K

3.1 - 6.2 mi

Top 53%
×5story building
+79ft-138ft

Overall

14081

Females

4095

F18-39

4095

10K→15K

6.2 - 9.3 mi

Top 52%
×3story building
+67ft-78ft

Overall

13719

Females

3909

F18-39

3909

15K→20K

9.3 - 12.4 mi

Top 49%
×5story building
+106ft-86ft

Overall

13108

Females

3601

F18-39

3601

20K→Half

12.4 - 13.1 mi

Top 48%
×2story building
+19ft-37ft

Overall

12888

Females

3417

F18-39

3417

Half→25K

13.1 - 15.5 mi

Top 46%
×4story building
+66ft-88ft

Overall

12117

Females

3144

F18-39

3144

25K→30K

15.5 - 18.6 mi

Top 44%
×9story building
+181ft-148ft

Overall

11608

Females

2964

F18-39

2964

30K→20M

18.6 - 20.0 mi

Top 43%
×5story building
+64ft-50ft

Overall

11485

Females

2991

F18-39

2991

20M→21M

20.0 - 21.0 mi

Top 42%
×8story building
+106ft-24ft

Overall

11178

Females

2960

F18-39

2960

21M→35K

21.0 - 21.8 mi

Top 40%
×7story building
+17ft-86ft

Overall

10531

Females

2631

F18-39

2631

35K→23M

21.8 - 23.0 mi

Top 39%
×5story building
+23ft-63ft

Overall

10435

Females

2729

F18-39

2729

23M→24M

23.0 - 24.0 mi

Top 33%
×6story building
+12ft-82ft

Overall

8800

Females

2012

F18-39

2012

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

7895

Females

1725

F18-39

1725

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7328

Females

1572

F18-39

1572

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2story building
+22ft-21ft

Overall

6665

Females

1316

F18-39

1316

Passing Analysis

Category:
Athletes Passed
2622
Passed By
1044
Net Change
+1578
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13267
5K → 10K154540-386#13267#13653
10K → 15K177190-13#13653#13666
15K → 20K25787+170#13666#13496
20K → Half4513+32#13496#13464
Half → 25K28135+246#13464#13218
25K → 30K38656+330#13218#12888
30K → 20M18330+153#12888#12735
20M → 21M15636+120#12735#12615
21M → 35K10712+95#12615#12520
35K → 23M15832+126#12520#12394
23M → 24M1695+164#12394#12230
24M → 40K1921+191#12230#12039
40K → 25.2M912+89#12039#11950
25.2M → Finish2665+261#11950#11689
TOTALS26221044+1578
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing