Boston Marathon logo
BOSTON MARATHON 2023

Michelle Kilgore

Bib: 17408•F

UT

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
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
8:07/mi
25:14
↑ 97↓ 3451.5%
10K· 6.21 mi
8:19/mi
51:04
↑ 79↓ 1380.4%
15K· 9.32 mi
8:26/mi
1:17:15
↑ 67↓ 78
20K· 12.43 mi
8:54/mi
1:44:55
↑ 106↓ 860.1%
Half· 13.11 mi
8:59/mi
1:51:03
↑ 19↓ 370.5%
25K· 15.53 mi
9:16/mi
2:13:31
↑ 66↓ 880.2%
30K· 18.64 mi
9:38/mi
2:43:28
↑ 181↓ 1480.2%
20M
10:04/mi
2:57:09
↑ 64↓ 500.2%
21M
10:32/mi
3:07:41
↑ 106↓ 241.6%
35K· 21.75 mi
9:32/mi
3:14:49
↑ 17↓ 861.7%
23M
10:13/mi
3:27:37
↑ 23↓ 630.6%
24M
9:59/mi
3:37:36
↓ 821.3%
40K· 24.85 mi
10:20/mi
3:46:26
↓ 200.3%
25.2M
11:04/mi
3:50:15
↑ 13↓ 160.2%
Finish· 26.22 mi
9:59/mi
4:00:25
↑ 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 HalfFaster
Distance13.11 mi
Time1:51:03
Pace8:28 /mi
2nd Half
Distance13.11 mi
Time2:09:22
Pace9:52 /mi
📊Positive Split: 16.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:5425:148:0725:14
8:07
-
10K
6.21 mi11:41:4451:048:1325:50
8:19
+0:12
15K
9.32 mi12:07:551:17:158:1726:11
8:26
+0:07
20K
12.43 mi12:35:351:44:558:2727:40
8:54
+0:28
Half
13.11 mi12:41:431:51:038:286:08
8:59
+0:05
25K
15.53 mi13:04:112:13:318:3622:28
9:16
+0:17
30K
18.64 mi13:34:082:43:288:4629:57
9:38
+0:22
20M
20.00 mi13:47:492:57:098:5113:41
10:04
+0:26
21M
21.00 mi13:58:213:07:418:5610:32
10:32
+0:28
35K
21.75 mi14:05:293:14:498:577:08
9:32
-1:00
23M
23.00 mi14:18:173:27:379:0212:48
10:13
+0:41
24M
24.00 mi14:28:163:37:369:049:59
9:59
-0:14
40K
24.85 mi14:37:063:46:269:078:50
10:20
+0:21
25.2M
25.20 mi14:40:553:50:159:083:49
11:04
+0:44
Finish
26.22 mi14:51:054:00:259:1110:10
9:59
-1:05

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

8:07 /mi

Average Pace

9:11 /mi

Slowest Pace

11:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:51:03

46% of race

Time at Steady Pace

1:19:42

33% of race

Time at Slower Pace

49:40

21% of race

Average Pace: 9:10 /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 mi11:15:5425:148:0725:14
8:07
#14895
10K
6.21 mi11:41:4451:048:1325:50
8:19
#15957
15K
9.32 mi12:07:551:17:158:1726:11
8:26
#16449
20K
12.43 mi12:35:351:44:558:2727:40
8:54
#17211
Half
13.11 mi12:41:431:51:038:286:08
8:59
#17382
25K
15.53 mi13:04:112:13:318:3622:28
9:16
#17926
30K
18.64 mi13:34:082:43:288:4629:57
9:38
#18400
20M
20.00 mi13:47:492:57:098:5113:41
10:04
#18661
21M
21.00 mi13:58:213:07:418:5610:32
10:32
#18734
35K
21.75 mi14:05:293:14:498:577:08
9:32
#18800
23M
23.00 mi14:18:173:27:379:0212:48
10:13
#18967
24M
24.00 mi14:28:163:37:369:049:59
9:59
#19075
40K
24.85 mi14:37:063:46:269:078:50
10:20
#19188
25.2M
25.20 mi14:40:553:50:159:083:49
11:04
#19226
Finish
26.22 mi14:51:054:00:259:1110:10
9:59
#19387
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi148954581458117332(Top 65%)6126(Top 54%)6126(Top 125%)
10K6.21 mi3.10 mi15957-10625261-6805261-68017051(Top 64%)5906(Top 52%)5906(Top 121%)
15K9.32 mi3.11 mi16449-4925558-2975558-29717332(Top 65%)6126(Top 54%)6126(Top 125%)
20K12.43 mi3.11 mi17211-7626055-4976055-49719242(Top 72%)7237(Top 63%)7237(Top 148%)
Half13.11 mi0.68 mi17382-1716152-976152-9720412(Top 77%)7910(Top 69%)7910(Top 162%)
25K15.53 mi2.42 mi17926-5446495-3436495-34320082(Top 75%)7740(Top 68%)7740(Top 158%)
30K18.64 mi3.11 mi18400-4746807-3126807-31219940(Top 75%)7731(Top 68%)7731(Top 158%)
20M20.00 mi1.36 mi18661-2616961-1546961-15420674(Top 78%)8232(Top 72%)8232(Top 169%)
21M21.00 mi1.00 mi18734-737008-477008-4719701(Top 74%)7766(Top 68%)7766(Top 159%)
35K21.75 mi0.75 mi18800-667056-487056-4819965(Top 75%)7909(Top 69%)7909(Top 162%)
23M23.00 mi1.25 mi18967-1677166-1107166-11020642(Top 78%)8315(Top 73%)8315(Top 170%)
24M24.00 mi1.00 mi19075-1087239-737239-7320754(Top 78%)8408(Top 74%)8408(Top 172%)
40K24.85 mi0.85 mi19188-1137307-687307-6820829(Top 78%)8505(Top 74%)8505(Top 174%)
25.2M25.20 mi0.35 mi19226-387330-237330-2320617(Top 77%)8378(Top 73%)8378(Top 172%)
Finish26.22 mi1.02 mi19387-1617429-997429-9921702(Top 82%)8957(Top 78%)8957(Top 183%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21story building
+97ft-345ft

Overall

17332

Females

6126

F18-39

6126

5K→10K

3.1 - 6.2 mi

Top 64%
×5story building
+79ft-138ft

Overall

17051

Females

5906

F18-39

5906

10K→15K

6.2 - 9.3 mi

Top 65%
×3story building
+67ft-78ft

Overall

17332

Females

6126

F18-39

6126

15K→20K

9.3 - 12.4 mi

Top 72%
×5story building
+106ft-86ft

Overall

19242

Females

7237

F18-39

7237

20K→Half

12.4 - 13.1 mi

Top 77%
×2story building
+19ft-37ft

Overall

20412

Females

7910

F18-39

7910

Half→25K

13.1 - 15.5 mi

Top 75%
×4story building
+66ft-88ft

Overall

20082

Females

7740

F18-39

7740

25K→30K

15.5 - 18.6 mi

Top 75%
×9story building
+181ft-148ft

Overall

19940

Females

7731

F18-39

7731

30K→20M

18.6 - 20.0 mi

Top 78%
×5story building
+64ft-50ft

Overall

20674

Females

8232

F18-39

8232

20M→21M

20.0 - 21.0 mi

Top 74%
×8story building
+106ft-24ft

Overall

19701

Females

7766

F18-39

7766

21M→35K

21.0 - 21.8 mi

Top 75%
×7story building
+17ft-86ft

Overall

19965

Females

7909

F18-39

7909

35K→23M

21.8 - 23.0 mi

Top 78%
×5story building
+23ft-63ft

Overall

20642

Females

8315

F18-39

8315

23M→24M

23.0 - 24.0 mi

Top 78%
×6story building
+12ft-82ft

Overall

20754

Females

8408

F18-39

8408

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

20829

Females

8505

F18-39

8505

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1story
+13ft-16ft

Overall

20617

Females

8378

F18-39

8378

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2story building
+22ft-21ft

Overall

21702

Females

8957

F18-39

8957

Passing Analysis

Category:
Athletes Passed
484
Passed By
4976
Net Change
-4492
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14895
5K → 10K481110-1062#14895#15957
10K → 15K61553-492#15957#16449
15K → 20K39801-762#16449#17211
20K → Half3174-171#17211#17382
Half → 25K29573-544#17382#17926
25K → 30K66540-474#17926#18400
30K → 20M30291-261#18400#18661
20M → 21M69142-73#18661#18734
21M → 35K3197-66#18734#18800
35K → 23M30197-167#18800#18967
23M → 24M28136-108#18967#19075
24M → 40K23136-113#19075#19188
40K → 25.2M1149-38#19188#19226
25.2M → Finish16177-161#19226#19387
TOTALS4844976-4492
📊

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