Boston Marathon logo
BOSTON MARATHON 2023

Brittney Tucker

Bib: 10419•F

TN

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 19%
Gender (Female)
#0 / 11423
Top 4%
Division (F18-39)
#0 / 4884
Top 7%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:59
Rank: #8809
Start → 5K
22:59 | 7:24/mi
10K· 6.21 mi
44:38
Rank: #7651 (+1158)
5K → 10K
21:39 | 6:58/mi
15K· 9.32 mi
1:05:50
Rank: #6859 (+792)
10K → 15K
21:12 | 6:49/mi
20K· 12.43 mi
1:27:08
Rank: #6421 (+438)
15K → 20K
21:18 | 6:51/mi
Half· 13.11 mi
1:31:43
Rank: #6342 (+79)
20K → Half
4:35 | 6:43/mi
25K· 15.53 mi
1:48:23
Rank: #6072 (+270)
Half → 25K
16:40 | 6:52/mi
30K· 18.64 mi
2:10:34
Rank: #5841 (+231)
25K → 30K
22:11 | 7:08/mi
20M
2:20:18
Rank: #5739 (+102)
30K → 20M
9:44 | 7:10/mi
21M
2:27:49
Rank: #5642 (+97)
20M → 21M
7:31 | 7:31/mi
35K· 21.75 mi
2:32:57
Rank: #5585 (+57)
21M → 35K
5:08 | 6:52/mi
23M
2:41:55
Rank: #5467 (+118)
35K → 23M
8:58 | 7:10/mi
24M
2:48:58
Rank: #5389 (+78)
23M → 24M
7:03 | 7:03/mi
40K· 24.85 mi
2:54:58
Rank: #5279 (+110)
24M → 40K
6:00 | 7:01/mi
25.2M
2:57:33
Rank: #5245 (+34)
40K → 25.2M
2:35 | 7:29/mi
Finish· 26.22 mi
3:04:16
Rank: #5094 (+151)
25.2M → Finish
6:43 | 6:35/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 Half⚖️ Balanced
Distance13.11 mi
Time1:31:43
Pace7:00 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:32:33
Pace7:04 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:2322:597:2422:59
7:24
-
10K
6.21 mi11:11:0244:387:1121:39
6:58
-0:26
15K
9.32 mi11:32:141:05:507:0421:12
6:49
-0:09
20K
12.43 mi11:53:321:27:087:0121:18
6:51
+0:02
Half
13.11 mi11:58:071:31:437:004:35
6:43
-0:08
25K
15.53 mi12:14:471:48:236:5916:40
6:52
+0:09
30K
18.64 mi12:36:582:10:347:0022:11
7:08
+0:16
20M
20.00 mi12:46:422:20:187:019:44
7:10
+0:02
21M
21.00 mi12:54:132:27:497:027:31
7:31
+0:21
35K
21.75 mi12:59:212:32:577:025:08
6:52
-0:39
23M
23.00 mi13:08:192:41:557:028:58
7:10
+0:18
24M
24.00 mi13:15:222:48:587:027:03
7:03
-0:07
40K
24.85 mi13:21:222:54:587:026:00
7:01
-0:02
25.2M
25.20 mi13:23:572:57:337:032:35
7:29
+0:28
Finish
26.22 mi13:30:403:04:167:026:43
6:35
-0:54

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

6:35 /mi

Average Pace

7:02 /mi

Slowest Pace

7:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:31:11

82% of race

Time at Steady Pace

33:05

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:02 /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 mi10:49:2322:597:2422:59
7:24
#8809
10K
6.21 mi11:11:0244:387:1121:39
6:58
#7651
15K
9.32 mi11:32:141:05:507:0421:12
6:49
#6859
20K
12.43 mi11:53:321:27:087:0121:18
6:51
#6421
Half
13.11 mi11:58:071:31:437:004:35
6:43
#6342
25K
15.53 mi12:14:471:48:236:5916:40
6:52
#6072
30K
18.64 mi12:36:582:10:347:0022:11
7:08
#5841
20M
20.00 mi12:46:422:20:187:019:44
7:10
#5739
21M
21.00 mi12:54:132:27:497:027:31
7:31
#5642
35K
21.75 mi12:59:212:32:577:025:08
6:52
#5585
23M
23.00 mi13:08:192:41:557:028:58
7:10
#5467
24M
24.00 mi13:15:222:48:587:027:03
7:03
#5389
40K
24.85 mi13:21:222:54:587:026:00
7:01
#5279
25.2M
25.20 mi13:23:572:57:337:032:35
7:29
#5245
Finish
26.22 mi13:30:403:04:167:026:43
6:35
#5094
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8809131313135350(Top 20%)406(Top 4%)406(Top 8%)
10K6.21 mi3.10 mi7651+1158900+413900+4136617(Top 25%)661(Top 6%)661(Top 14%)
15K9.32 mi3.11 mi6859+792703+197703+1975350(Top 20%)406(Top 4%)406(Top 8%)
20K12.43 mi3.11 mi6421+438613+90613+904986(Top 19%)361(Top 3%)361(Top 7%)
Half13.11 mi0.68 mi6342+79596+17596+174634(Top 17%)327(Top 3%)327(Top 7%)
25K15.53 mi2.42 mi6072+270530+66530+664790(Top 18%)348(Top 3%)348(Top 7%)
30K18.64 mi3.11 mi5841+231493+37493+375160(Top 19%)428(Top 4%)428(Top 9%)
20M20.00 mi1.36 mi5739+102481+12481+124942(Top 19%)446(Top 4%)446(Top 9%)
21M21.00 mi1.00 mi5642+97467+14467+144687(Top 18%)438(Top 4%)438(Top 9%)
35K21.75 mi0.75 mi5585+57456+11456+114610(Top 17%)417(Top 4%)417(Top 9%)
23M23.00 mi1.25 mi5467+118454+2454+24624(Top 17%)444(Top 4%)444(Top 9%)
24M24.00 mi1.00 mi5389+78449+5449+54944(Top 19%)554(Top 5%)554(Top 11%)
40K24.85 mi0.85 mi5279+110442+7442+73965(Top 15%)403(Top 4%)403(Top 8%)
25.2M25.20 mi0.35 mi5245+34437+5437+53931(Top 15%)420(Top 4%)420(Top 9%)
Finish26.22 mi1.02 mi5094+151419+18419+182977(Top 11%)283(Top 2%)283(Top 6%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21stories
+97ft-345ft

Overall

5350

Females

406

F18-39

406

5K→10K

3.1 - 6.2 mi

Top 25%
×5stories
+79ft-138ft

Overall

6617

Females

661

F18-39

661

10K→15K

6.2 - 9.3 mi

Top 20%
×3stories
+67ft-78ft

Overall

5350

Females

406

F18-39

406

15K→20K

9.3 - 12.4 mi

Top 19%
×5stories
+106ft-86ft

Overall

4986

Females

361

F18-39

361

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4634

Females

327

F18-39

327

Half→25K

13.1 - 15.5 mi

Top 18%
×4stories
+66ft-88ft

Overall

4790

Females

348

F18-39

348

25K→30K

15.5 - 18.6 mi

Top 19%
×9stories
+181ft-148ft

Overall

5160

Females

428

F18-39

428

30K→20M

18.6 - 20.0 mi

Top 19%
×5stories
+64ft-50ft

Overall

4942

Females

446

F18-39

446

20M→21M

20.0 - 21.0 mi

Top 18%
×8stories
+106ft-24ft

Overall

4687

Females

438

F18-39

438

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4610

Females

417

F18-39

417

35K→23M

21.8 - 23.0 mi

Top 17%
×5stories
+23ft-63ft

Overall

4624

Females

444

F18-39

444

23M→24M

23.0 - 24.0 mi

Top 19%
×6stories
+12ft-82ft

Overall

4944

Females

554

F18-39

554

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

3965

Females

403

F18-39

403

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

3931

Females

420

F18-39

420

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2stories
+22ft-21ft

Overall

2977

Females

283

F18-39

283

Passing Analysis

Category:
Athletes Passed
3839
Passed By
124
Net Change
+3715
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8809
5K → 10K117113+1158#8809#7651
10K → 15K7942+792#7651#6859
15K → 20K4391+438#6859#6421
20K → Half790+79#6421#6342
Half → 25K2766+270#6342#6072
25K → 30K25524+231#6072#5841
30K → 20M11917+102#5841#5739
20M → 21M10912+97#5739#5642
21M → 35K658+57#5642#5585
35K → 23M13416+118#5585#5467
23M → 24M9517+78#5467#5389
24M → 40K1144+110#5389#5279
40K → 25.2M362+34#5279#5245
25.2M → Finish1532+151#5245#5094
TOTALS3839124+3715
📊

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