Boston Marathon logo
BOSTON MARATHON 2023

Julie Mitchell

Bib: 11970•F

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 25%
Gender (Female)
#0 / 11423
Top 7%
Division (F18-39)
#0 / 4884
Top 14%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:30
Rank: #5740
Start → 5K
21:30 | 6:55/mi
10K· 6.21 mi
43:22
Rank: #6384 (-644)
5K → 10K
21:52 | 7:02/mi
15K· 9.32 mi
1:05:20
Rank: #6561 (-177)
10K → 15K
21:58 | 7:04/mi
20K· 12.43 mi
1:28:08
Rank: #6887 (-326)
15K → 20K
22:48 | 7:20/mi
Half· 13.11 mi
1:32:55
Rank: #6863 (+24)
20K → Half
4:47 | 7:01/mi
25K· 15.53 mi
1:51:28
Rank: #7231 (-368)
Half → 25K
18:33 | 7:39/mi
30K· 18.64 mi
2:14:57
Rank: #7234 (-3)
25K → 30K
23:29 | 7:34/mi
20M
2:26:05
Rank: #7464 (-230)
30K → 20M
11:08 | 8:12/mi
21M
2:33:55
Rank: #7389 (+75)
20M → 21M
7:50 | 7:50/mi
35K· 21.75 mi
2:39:12
Rank: #7304 (+85)
21M → 35K
5:17 | 7:04/mi
23M
2:48:36
Rank: #7213 (+91)
35K → 23M
9:24 | 7:30/mi
24M
2:55:38
Rank: #7071 (+142)
23M → 24M
7:02 | 7:02/mi
40K· 24.85 mi
3:01:49
Rank: #6965 (+106)
24M → 40K
6:11 | 7:14/mi
25.2M
3:04:25
Rank: #6881 (+84)
40K → 25.2M
2:36 | 7:32/mi
Finish· 26.22 mi
3:11:24
Rank: #6742 (+139)
25.2M → Finish
6:59 | 6:51/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
Time1:32:55
Pace7:05 /mi
2nd Half
Distance13.11 mi
Time1:38:29
Pace7:31 /mi
📊Positive Split: 6.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:4821:306:5521:30
6:55
-
10K
6.21 mi11:18:4043:226:5921:52
7:02
+0:07
15K
9.32 mi11:40:381:05:207:0121:58
7:04
+0:02
20K
12.43 mi12:03:261:28:087:0622:48
7:20
+0:16
Half
13.11 mi12:08:131:32:557:054:47
7:01
-0:19
25K
15.53 mi12:26:461:51:287:1118:33
7:39
+0:38
30K
18.64 mi12:50:152:14:577:1423:29
7:34
-0:05
20M
20.00 mi13:01:232:26:057:1811:08
8:12
+0:38
21M
21.00 mi13:09:132:33:557:207:50
7:50
-0:22
35K
21.75 mi13:14:302:39:127:195:17
7:04
-0:46
23M
23.00 mi13:23:542:48:367:209:24
7:30
+0:26
24M
24.00 mi13:30:562:55:387:197:02
7:02
-0:28
40K
24.85 mi13:37:073:01:497:196:11
7:14
+0:12
25.2M
25.20 mi13:39:433:04:257:192:36
7:32
+0:18
Finish
26.22 mi13:46:423:11:247:186:59
6:51
-0:41

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

6:51 /mi

Average Pace

7:18 /mi

Slowest Pace

8:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:10:24

68% of race

Time at Steady Pace

49:52

26% of race

Time at Slower Pace

11:08

6% of race

Average Pace: 7:18 /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 mi10:56:4821:306:5521:30
6:55
#5740
10K
6.21 mi11:18:4043:226:5921:52
7:02
#6384
15K
9.32 mi11:40:381:05:207:0121:58
7:04
#6561
20K
12.43 mi12:03:261:28:087:0622:48
7:20
#6887
Half
13.11 mi12:08:131:32:557:054:47
7:01
#6863
25K
15.53 mi12:26:461:51:287:1118:33
7:39
#7231
30K
18.64 mi12:50:152:14:577:1423:29
7:34
#7234
20M
20.00 mi13:01:232:26:057:1811:08
8:12
#7464
21M
21.00 mi13:09:132:33:557:207:50
7:50
#7389
35K
21.75 mi13:14:302:39:127:195:17
7:04
#7304
23M
23.00 mi13:23:542:48:367:209:24
7:30
#7213
24M
24.00 mi13:30:562:55:387:197:02
7:02
#7071
40K
24.85 mi13:37:073:01:497:196:11
7:14
#6965
25.2M
25.20 mi13:39:433:04:257:192:36
7:32
#6881
Finish
26.22 mi13:46:423:11:247:186:59
6:51
#6742
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi57404624626980(Top 26%)739(Top 6%)739(Top 15%)
10K6.21 mi3.10 mi6384-644598-136598-1367074(Top 27%)771(Top 7%)771(Top 16%)
15K9.32 mi3.11 mi6561-177631-33631-336980(Top 26%)739(Top 6%)739(Top 15%)
20K12.43 mi3.11 mi6887-326711-80711-808081(Top 30%)1127(Top 10%)1127(Top 23%)
Half13.11 mi0.68 mi6863+24703+8703+86666(Top 25%)678(Top 6%)678(Top 14%)
25K15.53 mi2.42 mi7231-368814-111814-1119915(Top 37%)1961(Top 17%)1961(Top 40%)
30K18.64 mi3.11 mi7234-3837-23837-237643(Top 29%)1159(Top 10%)1159(Top 24%)
20M20.00 mi1.36 mi7464-230940-103940-10311650(Top 44%)3080(Top 27%)3080(Top 63%)
21M21.00 mi1.00 mi7389+75935+5935+56360(Top 24%)898(Top 8%)898(Top 18%)
35K21.75 mi0.75 mi7304+85921+14921+145739(Top 22%)685(Top 6%)685(Top 14%)
23M23.00 mi1.25 mi7213+91907+14907+146480(Top 24%)981(Top 9%)981(Top 20%)
24M24.00 mi1.00 mi7071+142881+26881+264860(Top 18%)535(Top 5%)535(Top 11%)
40K24.85 mi0.85 mi6965+106870+11870+115091(Top 19%)684(Top 6%)684(Top 14%)
25.2M25.20 mi0.35 mi6881+84854+16854+164176(Top 16%)502(Top 4%)502(Top 10%)
Finish26.22 mi1.02 mi6742+139823+31823+314397(Top 17%)554(Top 5%)554(Top 11%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21stories
+97ft-345ft

Overall

6980

Females

739

F18-39

739

5K→10K

3.1 - 6.2 mi

Top 27%
×5stories
+79ft-138ft

Overall

7074

Females

771

F18-39

771

10K→15K

6.2 - 9.3 mi

Top 26%
×3stories
+67ft-78ft

Overall

6980

Females

739

F18-39

739

15K→20K

9.3 - 12.4 mi

Top 30%
×5stories
+106ft-86ft

Overall

8081

Females

1127

F18-39

1127

20K→Half

12.4 - 13.1 mi

Top 25%
×2stories
+19ft-37ft

Overall

6666

Females

678

F18-39

678

Half→25K

13.1 - 15.5 mi

Top 37%
×4stories
+66ft-88ft

Overall

9915

Females

1961

F18-39

1961

25K→30K

15.5 - 18.6 mi

Top 29%
×9stories
+181ft-148ft

Overall

7643

Females

1159

F18-39

1159

30K→20M

18.6 - 20.0 mi

Top 44%
×5stories
+64ft-50ft

Overall

11650

Females

3080

F18-39

3080

20M→21M

20.0 - 21.0 mi

Top 24%
×8stories
+106ft-24ft

Overall

6360

Females

898

F18-39

898

21M→35K

21.0 - 21.8 mi

Top 22%
×7stories
+17ft-86ft

Overall

5739

Females

685

F18-39

685

35K→23M

21.8 - 23.0 mi

Top 24%
×5stories
+23ft-63ft

Overall

6480

Females

981

F18-39

981

23M→24M

23.0 - 24.0 mi

Top 18%
×6stories
+12ft-82ft

Overall

4860

Females

535

F18-39

535

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5091

Females

684

F18-39

684

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4176

Females

502

F18-39

502

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2stories
+22ft-21ft

Overall

4397

Females

554

F18-39

554

Passing Analysis

Category:
Athletes Passed
1142
Passed By
2144
Net Change
-1002
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5740
5K → 10K29673-644#5740#6384
10K → 15K61238-177#6384#6561
15K → 20K34360-326#6561#6887
20K → Half3612+24#6887#6863
Half → 25K17385-368#6863#7231
25K → 30K128131-3#7231#7234
30K → 20M25255-230#7234#7464
20M → 21M10934+75#7464#7389
21M → 35K927+85#7389#7304
35K → 23M11928+91#7304#7213
23M → 24M1475+142#7213#7071
24M → 40K11711+106#7071#6965
40K → 25.2M840+84#6965#6881
25.2M → Finish1445+139#6881#6742
TOTALS11422144-1002
📊

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