Boston Marathon logo
BOSTON MARATHON 2023

Anna Weissenberg

Bib: 14943•F

CT

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 46%
Gender (Female)
#0 / 11423
Top 29%
Division (F18-39)
#0 / 4884
Top 47%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:22
Rank: #9832
Start → 5K
23:22 | 7:31/mi
10K· 6.21 mi
46:14
Rank: #9514 (+318)
5K → 10K
22:52 | 7:22/mi
15K· 9.32 mi
1:09:38
Rank: #9793 (-279)
10K → 15K
23:24 | 7:32/mi
20K· 12.43 mi
1:34:48
Rank: #10955 (-1162)
15K → 20K
25:10 | 8:06/mi
Half· 13.11 mi
1:40:10
Rank: #11051 (-96)
20K → Half
5:22 | 7:52/mi
25K· 15.53 mi
2:00:32
Rank: #11803 (-752)
Half → 25K
20:22 | 8:24/mi
30K· 18.64 mi
2:27:32
Rank: #12588 (-785)
25K → 30K
27:00 | 8:41/mi
20M
2:39:05
Rank: #12656 (-68)
30K → 20M
11:33 | 8:30/mi
21M
2:48:11
Rank: #12721 (-65)
20M → 21M
9:06 | 9:06/mi
35K· 21.75 mi
2:53:59
Rank: #12630 (+91)
21M → 35K
5:48 | 7:45/mi
23M
3:04:16
Rank: #12534 (+96)
35K → 23M
10:17 | 8:13/mi
24M
3:12:08
Rank: #12420 (+114)
23M → 24M
7:52 | 7:52/mi
40K· 24.85 mi
3:19:08
Rank: #12384 (+36)
24M → 40K
7:00 | 8:11/mi
25.2M
3:22:13
Rank: #12373 (+11)
40K → 25.2M
3:05 | 8:56/mi
Finish· 26.22 mi
3:30:23
Rank: #12377 (-4)
25.2M → Finish
8:10 | 8:01/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
Time1:40:10
Pace7:38 /mi
2nd Half
Distance13.11 mi
Time1:50:13
Pace8:24 /mi
📊Positive Split: 10.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:3423:227:3123:22
7:31
-
10K
6.21 mi11:15:2646:147:2622:52
7:22
-0:09
15K
9.32 mi11:38:501:09:387:2823:24
7:32
+0:10
20K
12.43 mi12:04:001:34:487:3825:10
8:06
+0:34
Half
13.11 mi12:09:221:40:107:385:22
7:52
-0:14
25K
15.53 mi12:29:442:00:327:4620:22
8:24
+0:32
30K
18.64 mi12:56:442:27:327:5527:00
8:41
+0:17
20M
20.00 mi13:08:172:39:057:5711:33
8:30
-0:11
21M
21.00 mi13:17:232:48:118:019:06
9:06
+0:36
35K
21.75 mi13:23:112:53:598:005:48
7:45
-1:21
23M
23.00 mi13:33:283:04:168:0110:17
8:13
+0:28
24M
24.00 mi13:41:203:12:088:007:52
7:52
-0:21
40K
24.85 mi13:48:203:19:088:017:00
8:11
+0:19
25.2M
25.20 mi13:51:253:22:138:013:05
8:56
+0:45
Finish
26.22 mi13:59:353:30:238:028:10
8:01
-0:55

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

7:22 /mi

Average Pace

8:02 /mi

Slowest Pace

9:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:15:26

36% of race

Time at Steady Pace

1:03:51

30% of race

Time at Slower Pace

1:11:06

34% of race

Average Pace: 8:01 /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 mi10:52:3423:227:3123:22
7:31
#9832
10K
6.21 mi11:15:2646:147:2622:52
7:22
#9514
15K
9.32 mi11:38:501:09:387:2823:24
7:32
#9793
20K
12.43 mi12:04:001:34:487:3825:10
8:06
#10955
Half
13.11 mi12:09:221:40:107:385:22
7:52
#11051
25K
15.53 mi12:29:442:00:327:4620:22
8:24
#11803
30K
18.64 mi12:56:442:27:327:5527:00
8:41
#12588
20M
20.00 mi13:08:172:39:057:5711:33
8:30
#12656
21M
21.00 mi13:17:232:48:118:019:06
9:06
#12721
35K
21.75 mi13:23:112:53:598:005:48
7:45
#12630
23M
23.00 mi13:33:283:04:168:0110:17
8:13
#12534
24M
24.00 mi13:41:203:12:088:007:52
7:52
#12420
40K
24.85 mi13:48:203:19:088:017:00
8:11
#12384
25.2M
25.20 mi13:51:253:22:138:013:05
8:56
#12373
Finish
26.22 mi13:59:353:30:238:028:10
8:01
#12377
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi98321777177710456(Top 39%)2057(Top 18%)2057(Top 42%)
10K6.21 mi3.10 mi9514+3181621+1561621+1569326(Top 35%)1559(Top 14%)1559(Top 32%)
15K9.32 mi3.11 mi9793-2791747-1261747-12610456(Top 39%)2057(Top 18%)2057(Top 42%)
20K12.43 mi3.11 mi10955-11622315-5682315-56814232(Top 53%)4244(Top 37%)4244(Top 87%)
Half13.11 mi0.68 mi11051-962356-412356-4113335(Top 50%)3684(Top 32%)3684(Top 75%)
25K15.53 mi2.42 mi11803-7522812-4562812-45615577(Top 59%)5186(Top 45%)5186(Top 106%)
30K18.64 mi3.11 mi12588-7853314-5023314-50215462(Top 58%)5196(Top 45%)5196(Top 106%)
20M20.00 mi1.36 mi12656-683369-553369-5513625(Top 51%)4185(Top 37%)4185(Top 86%)
21M21.00 mi1.00 mi12721-653427-583427-5813990(Top 53%)4473(Top 39%)4473(Top 92%)
35K21.75 mi0.75 mi12630+913383+443383+4410372(Top 39%)2561(Top 22%)2561(Top 52%)
23M23.00 mi1.25 mi12534+963347+363347+3611299(Top 42%)3160(Top 28%)3160(Top 65%)
24M24.00 mi1.00 mi12420+1143304+433304+4310319(Top 39%)2751(Top 24%)2751(Top 56%)
40K24.85 mi0.85 mi12384+363304330411295(Top 42%)3304(Top 29%)3304(Top 68%)
25.2M25.20 mi0.35 mi12373+113309-53309-512217(Top 46%)3830(Top 34%)3830(Top 78%)
Finish26.22 mi1.02 mi12377-43334-253334-2512249(Top 46%)3833(Top 34%)3833(Top 78%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21stories
+97ft-345ft

Overall

10456

Females

2057

F18-39

2057

5K→10K

3.1 - 6.2 mi

Top 35%
×5stories
+79ft-138ft

Overall

9326

Females

1559

F18-39

1559

10K→15K

6.2 - 9.3 mi

Top 39%
×3stories
+67ft-78ft

Overall

10456

Females

2057

F18-39

2057

15K→20K

9.3 - 12.4 mi

Top 53%
×5stories
+106ft-86ft

Overall

14232

Females

4244

F18-39

4244

20K→Half

12.4 - 13.1 mi

Top 50%
×2stories
+19ft-37ft

Overall

13335

Females

3684

F18-39

3684

Half→25K

13.1 - 15.5 mi

Top 59%
×4stories
+66ft-88ft

Overall

15577

Females

5186

F18-39

5186

25K→30K

15.5 - 18.6 mi

Top 58%
×9stories
+181ft-148ft

Overall

15462

Females

5196

F18-39

5196

30K→20M

18.6 - 20.0 mi

Top 51%
×5stories
+64ft-50ft

Overall

13625

Females

4185

F18-39

4185

20M→21M

20.0 - 21.0 mi

Top 53%
×8stories
+106ft-24ft

Overall

13990

Females

4473

F18-39

4473

21M→35K

21.0 - 21.8 mi

Top 39%
×7stories
+17ft-86ft

Overall

10372

Females

2561

F18-39

2561

35K→23M

21.8 - 23.0 mi

Top 42%
×5stories
+23ft-63ft

Overall

11299

Females

3160

F18-39

3160

23M→24M

23.0 - 24.0 mi

Top 39%
×6stories
+12ft-82ft

Overall

10319

Females

2751

F18-39

2751

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11295

Females

3304

F18-39

3304

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

12217

Females

3830

F18-39

3830

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2stories
+22ft-21ft

Overall

12249

Females

3833

F18-39

3833

Passing Analysis

Category:
Athletes Passed
1362
Passed By
3906
Net Change
-2545
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9832
5K → 10K490172+318#9832#9514
10K → 15K81360-279#9514#9793
15K → 20K171178-1162#9793#10955
20K → Half4100-96#10955#11051
Half → 25K16768-752#11051#11803
25K → 30K52837-785#11803#12588
30K → 20M79147-68#12588#12656
20M → 21M75140-65#12656#12721
21M → 35K1009+91#12721#12630
35K → 23M13741+96#12630#12534
23M → 24M12511+114#12534#12420
24M → 40K7741+36#12420#12384
40K → 25.2M3928+11#12384#12373
25.2M → Finish7074-4#12373#12377
TOTALS13623906-2545
📊

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