Boston Marathon logo
BOSTON MARATHON 2023

Emily Thompson

Bib: 19079•F

MN

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 43%
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
25:24
Rank: #15289
Start → 5K
25:24 | 8:11/mi
10K· 6.21 mi
50:06
Rank: #14852 (+437)
5K → 10K
24:42 | 7:57/mi
15K· 9.32 mi
1:14:51
Rank: #14581 (+271)
10K → 15K
24:45 | 7:58/mi
20K· 12.43 mi
1:40:14
Rank: #14614 (-33)
15K → 20K
25:23 | 8:10/mi
Half· 13.11 mi
1:45:38
Rank: #14573 (+41)
20K → Half
5:24 | 7:55/mi
25K· 15.53 mi
2:05:13
Rank: #14348 (+225)
Half → 25K
19:35 | 8:05/mi
30K· 18.64 mi
2:32:18
Rank: #14599 (-251)
25K → 30K
27:05 | 8:43/mi
20M
2:44:03
Rank: #14577 (+22)
30K → 20M
11:45 | 8:39/mi
21M
2:53:42
Rank: #14704 (-127)
20M → 21M
9:39 | 9:39/mi
35K· 21.75 mi
2:59:54
Rank: #14660 (+44)
21M → 35K
6:12 | 8:17/mi
23M
3:10:54
Rank: #14665 (-5)
35K → 23M
11:00 | 8:47/mi
24M
3:19:49
Rank: #14746 (-81)
23M → 24M
8:55 | 8:55/mi
40K· 24.85 mi
3:27:28
Rank: #14763 (-17)
24M → 40K
7:39 | 8:57/mi
25.2M
3:31:06
Rank: #14853 (-90)
40K → 25.2M
3:38 | 10:32/mi
Finish· 26.22 mi
3:39:57
Rank: #14940 (-87)
25.2M → Finish
8:51 | 8:41/mi

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
Time1:45:38
Pace8:03 /mi
2nd Half
Distance13.11 mi
Time1:54:19
Pace8:43 /mi
📊Positive Split: 8.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:0225:248:1125:24
8:11
-
10K
6.21 mi11:41:4450:068:0424:42
7:57
-0:14
15K
9.32 mi12:06:291:14:518:0224:45
7:58
+0:01
20K
12.43 mi12:31:521:40:148:0425:23
8:10
+0:12
Half
13.11 mi12:37:161:45:388:035:24
7:55
-0:15
25K
15.53 mi12:56:512:05:138:0419:35
8:05
+0:10
30K
18.64 mi13:23:562:32:188:1027:05
8:43
+0:38
20M
20.00 mi13:35:412:44:038:1211:45
8:39
-0:04
21M
21.00 mi13:45:202:53:428:169:39
9:39
+1:00
35K
21.75 mi13:51:322:59:548:166:12
8:17
-1:22
23M
23.00 mi14:02:323:10:548:1811:00
8:47
+0:30
24M
24.00 mi14:11:273:19:498:208:55
8:55
+0:08
40K
24.85 mi14:19:063:27:288:217:39
8:57
+0:02
25.2M
25.20 mi14:22:443:31:068:233:38
10:32
+1:35
Finish
26.22 mi14:31:353:39:578:248:51
8:41
-1:51

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

7:55 /mi

Average Pace

8:24 /mi

Slowest Pace

10:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:11:25

60% of race

Time at Steady Pace

1:15:15

34% of race

Time at Slower Pace

13:17

6% of race

Average Pace: 8:23 /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 mi11:17:0225:248:1125:24
8:11
#15289
10K
6.21 mi11:41:4450:068:0424:42
7:57
#14852
15K
9.32 mi12:06:291:14:518:0224:45
7:58
#14581
20K
12.43 mi12:31:521:40:148:0425:23
8:10
#14614
Half
13.11 mi12:37:161:45:388:035:24
7:55
#14573
25K
15.53 mi12:56:512:05:138:0419:35
8:05
#14348
30K
18.64 mi13:23:562:32:188:1027:05
8:43
#14599
20M
20.00 mi13:35:412:44:038:1211:45
8:39
#14577
21M
21.00 mi13:45:202:53:428:169:39
9:39
#14704
35K
21.75 mi13:51:322:59:548:166:12
8:17
#14660
23M
23.00 mi14:02:323:10:548:1811:00
8:47
#14665
24M
24.00 mi14:11:273:19:498:208:55
8:55
#14746
40K
24.85 mi14:19:063:27:288:217:39
8:57
#14763
25.2M
25.20 mi14:22:443:31:068:233:38
10:32
#14853
Finish
26.22 mi14:31:353:39:578:248:51
8:41
#14940
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi152894826482614135(Top 53%)4171(Top 37%)4171(Top 85%)
10K6.21 mi3.10 mi14852+4374560+2664560+26614421(Top 54%)4316(Top 38%)4316(Top 88%)
15K9.32 mi3.11 mi14581+2714400+1604400+16014135(Top 53%)4171(Top 37%)4171(Top 85%)
20K12.43 mi3.11 mi14614-334440-404440-4014762(Top 55%)4567(Top 40%)4567(Top 94%)
Half13.11 mi0.68 mi14573+414410+304410+3013785(Top 52%)3972(Top 35%)3972(Top 81%)
25K15.53 mi2.42 mi14348+2254314+964314+9613368(Top 50%)3852(Top 34%)3852(Top 79%)
30K18.64 mi3.11 mi14599-2514497-1834497-18315605(Top 59%)5275(Top 46%)5275(Top 108%)
20M20.00 mi1.36 mi14577+224516-194516-1914567(Top 55%)4745(Top 42%)4745(Top 97%)
21M21.00 mi1.00 mi14704-1274613-974613-9716654(Top 63%)5986(Top 52%)5986(Top 123%)
35K21.75 mi0.75 mi14660+444604+94604+914061(Top 53%)4597(Top 40%)4597(Top 94%)
23M23.00 mi1.25 mi14665-54629-254629-2514927(Top 56%)5127(Top 45%)5127(Top 105%)
24M24.00 mi1.00 mi14746-814709-804709-8016851(Top 63%)6266(Top 55%)6266(Top 128%)
40K24.85 mi0.85 mi14763-174736-274736-2715883(Top 60%)5781(Top 51%)5781(Top 118%)
25.2M25.20 mi0.35 mi14853-904804-684804-6819215(Top 72%)7610(Top 67%)7610(Top 156%)
Finish26.22 mi1.02 mi14940-874874-704874-7016409(Top 62%)6046(Top 53%)6046(Top 124%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21stories
+97ft-345ft

Overall

14135

Females

4171

F18-39

4171

5K→10K

3.1 - 6.2 mi

Top 54%
×5stories
+79ft-138ft

Overall

14421

Females

4316

F18-39

4316

10K→15K

6.2 - 9.3 mi

Top 53%
×3stories
+67ft-78ft

Overall

14135

Females

4171

F18-39

4171

15K→20K

9.3 - 12.4 mi

Top 55%
×5stories
+106ft-86ft

Overall

14762

Females

4567

F18-39

4567

20K→Half

12.4 - 13.1 mi

Top 52%
×2stories
+19ft-37ft

Overall

13785

Females

3972

F18-39

3972

Half→25K

13.1 - 15.5 mi

Top 50%
×4stories
+66ft-88ft

Overall

13368

Females

3852

F18-39

3852

25K→30K

15.5 - 18.6 mi

Top 59%
×9stories
+181ft-148ft

Overall

15605

Females

5275

F18-39

5275

30K→20M

18.6 - 20.0 mi

Top 55%
×5stories
+64ft-50ft

Overall

14567

Females

4745

F18-39

4745

20M→21M

20.0 - 21.0 mi

Top 63%
×8stories
+106ft-24ft

Overall

16654

Females

5986

F18-39

5986

21M→35K

21.0 - 21.8 mi

Top 53%
×7stories
+17ft-86ft

Overall

14061

Females

4597

F18-39

4597

35K→23M

21.8 - 23.0 mi

Top 56%
×5stories
+23ft-63ft

Overall

14927

Females

5127

F18-39

5127

23M→24M

23.0 - 24.0 mi

Top 63%
×6stories
+12ft-82ft

Overall

16851

Females

6266

F18-39

6266

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

15883

Females

5781

F18-39

5781

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

19215

Females

7610

F18-39

7610

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2stories
+22ft-21ft

Overall

16409

Females

6046

F18-39

6046

Passing Analysis

Category:
Athletes Passed
1954
Passed By
1605
Net Change
+349
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15289
5K → 10K567130+437#15289#14852
10K → 15K35685+271#14852#14581
15K → 20K171204-33#14581#14614
20K → Half5716+41#14614#14573
Half → 25K26439+225#14573#14348
25K → 30K102353-251#14348#14599
30K → 20M10482+22#14599#14577
20M → 21M40167-127#14577#14704
21M → 35K7733+44#14704#14660
35K → 23M7277-5#14660#14665
23M → 24M44125-81#14665#14746
24M → 40K5572-17#14746#14763
40K → 25.2M999-90#14763#14853
25.2M → Finish36123-87#14853#14940
TOTALS19541605+349
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

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
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing