Boston Marathon logo
BOSTON MARATHON 2024

Bianca Roos

Bib: 14382•F

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Top 33%
Gender (Female)
#0 / 10924
Top 18%
Masters (Masters Women)
#0 / 6263
Top 8%
Division (F40-44)
#0 / 1613
Top 18%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:26
Rank: #11131
Start → 5K
7:33/mi
23:26 split
10K· 6.21 mi
46:38
Rank: #10546 (+585)
5K → 10K
7:28/mi
23:12 split
15K· 9.32 mi
1:09:52
Rank: #10141 (+405)
10K → 15K
7:29/mi
23:14 split
20K· 12.43 mi
1:33:05
Rank: #9561 (+580)
15K → 20K
7:28/mi
23:13 split
Half· 13.11 mi
1:38:09
Rank: #9494 (+67)
20K → Half
7:26/mi
5:04 split
25K· 15.53 mi
1:56:40
Rank: #9156 (+338)
Half → 25K
7:38/mi
18:31 split
30K· 18.64 mi
2:23:10
Rank: #9398 (-242)
25K → 30K
8:32/mi
26:30 split
20M
2:33:54
Rank: #9061 (+337)
30K → 20M
7:54/mi
10:44 split
21M
2:42:50
Rank: #8921 (+140)
20M → 21M
8:56/mi
8:56 split
35K· 21.75 mi
2:48:35
Rank: #8763 (+158)
21M → 35K
7:41/mi
5:45 split
23M
2:58:48
Rank: #8549 (+214)
35K → 23M
8:10/mi
10:13 split
24M
3:06:44
Rank: #8377 (+172)
23M → 24M
7:56/mi
7:56 split
40K· 24.85 mi
3:14:17
Rank: #8405 (-28)
24M → 40K
8:50/mi
7:33 split
25.2M
3:17:35
Rank: #8389 (+16)
40K → 25.2M
9:34/mi
3:18 split
Finish· 26.22 mi
3:26:31
Rank: #8560 (-171)
25.2M → Finish
8:46/mi
8:56 split

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
Time1:38:09
Pace7:29 /mi
2nd Half
Distance13.11 mi
Time1:48:22
Pace8:16 /mi
📊Positive Split: 10.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:3323:267:3323:26
7:33
-
10K
6.21 mi11:17:4546:387:3023:12
7:28
-0:05
15K
9.32 mi11:40:591:09:527:3023:14
7:29
+0:01
20K
12.43 mi12:04:121:33:057:2923:13
7:28
-0:01
Half
13.11 mi12:09:161:38:097:295:04
7:26
-0:02
25K
15.53 mi12:27:471:56:407:3118:31
7:38
+0:12
30K
18.64 mi12:54:172:23:107:4126:30
8:32
+0:54
20M
20.00 mi13:05:012:33:547:4210:44
7:54
-0:38
21M
21.00 mi13:13:572:42:507:458:56
8:56
+1:02
35K
21.75 mi13:19:422:48:357:455:45
7:41
-1:15
23M
23.00 mi13:29:552:58:487:4610:13
8:10
+0:29
24M
24.00 mi13:37:513:06:447:477:56
7:56
-0:14
40K
24.85 mi13:45:243:14:177:497:33
8:50
+0:54
25.2M
25.20 mi13:48:423:17:357:503:18
9:34
+0:44
Finish
26.22 mi13:57:383:26:317:538:56
8:46
-0:48

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

7:26 /mi

Average Pace

7:53 /mi

Slowest Pace

9:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:09

48% of race

Time at Steady Pace

53:09

26% of race

Time at Slower Pace

55:13

27% of race

Average Pace: 7:53 /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 mi10:54:3323:267:3323:26
7:33
#11131
10K
6.21 mi11:17:4546:387:3023:12
7:28
#10546
15K
9.32 mi11:40:591:09:527:3023:14
7:29
#10141
20K
12.43 mi12:04:121:33:057:2923:13
7:28
#9561
Half
13.11 mi12:09:161:38:097:295:04
7:26
#9494
25K
15.53 mi12:27:471:56:407:3118:31
7:38
#9156
30K
18.64 mi12:54:172:23:107:4126:30
8:32
#9398
20M
20.00 mi13:05:012:33:547:4210:44
7:54
#9061
21M
21.00 mi13:13:572:42:507:458:56
8:56
#8921
35K
21.75 mi13:19:422:48:357:455:45
7:41
#8763
23M
23.00 mi13:29:552:58:487:4610:13
8:10
#8549
24M
24.00 mi13:37:513:06:447:477:56
7:56
#8377
40K
24.85 mi13:45:243:14:177:497:33
8:50
#8405
25.2M
25.20 mi13:48:423:17:357:503:18
9:34
#8389
Finish
26.22 mi13:57:383:26:317:538:56
8:46
#8560
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi11131263226329514(Top 37%)1931(Top 18%)1931(Top 120%)
10K6.21 mi3.10 mi10546+5852353+2792353+27910009(Top 39%)2102(Top 19%)2102(Top 130%)
15K9.32 mi3.11 mi10141+4052164+1892164+1899514(Top 37%)1931(Top 18%)1931(Top 120%)
20K12.43 mi3.11 mi9561+5801927+2371927+2378197(Top 32%)1469(Top 13%)1469(Top 91%)
Half13.11 mi0.68 mi9494+671900+271900+278641(Top 34%)1650(Top 15%)1650(Top 102%)
25K15.53 mi2.42 mi9156+3381780+1201780+1207896(Top 31%)1515(Top 14%)1515(Top 94%)
30K18.64 mi3.11 mi9398-2422011-2312011-23110809(Top 42%)3097(Top 28%)3097(Top 192%)
20M20.00 mi1.36 mi9061+3371905+1061905+1066240(Top 24%)1233(Top 11%)1233(Top 76%)
21M21.00 mi1.00 mi8921+1401907-21907-28277(Top 32%)2322(Top 21%)2322(Top 144%)
35K21.75 mi0.75 mi8763+1581866+411866+416067(Top 24%)1342(Top 12%)1342(Top 83%)
23M23.00 mi1.25 mi8549+2141832+341832+346599(Top 26%)1725(Top 16%)1725(Top 107%)
24M24.00 mi1.00 mi8377+1721801+311801+316295(Top 25%)1666(Top 15%)1666(Top 103%)
40K24.85 mi0.85 mi8405-281860-591860-5910054(Top 39%)3586(Top 33%)3586(Top 222%)
25.2M25.20 mi0.35 mi8389+161877-171877-179036(Top 35%)3154(Top 29%)3154(Top 196%)
Finish26.22 mi1.02 mi8560-1711993-1161993-11612988(Top 51%)4956(Top 45%)4956(Top 307%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21story building
+97ft-345ft

Overall

9514

Females

1931

F40-44

1931

5K→10K

3.1 - 6.2 mi

Top 39%
×5story building
+79ft-138ft

Overall

10009

Females

2102

F40-44

2102

10K→15K

6.2 - 9.3 mi

Top 37%
×3story building
+67ft-78ft

Overall

9514

Females

1931

F40-44

1931

15K→20K

9.3 - 12.4 mi

Top 32%
×5story building
+106ft-86ft

Overall

8197

Females

1469

F40-44

1469

20K→Half

12.4 - 13.1 mi

Top 34%
×2story building
+19ft-37ft

Overall

8641

Females

1650

F40-44

1650

Half→25K

13.1 - 15.5 mi

Top 31%
×4story building
+66ft-88ft

Overall

7896

Females

1515

F40-44

1515

25K→30K

15.5 - 18.6 mi

Top 42%
×9story building
+181ft-148ft

Overall

10809

Females

3097

F40-44

3097

30K→20M

18.6 - 20.0 mi

Top 24%
×5story building
+64ft-50ft

Overall

6240

Females

1233

F40-44

1233

20M→21M

20.0 - 21.0 mi

Top 32%
×8story building
+106ft-24ft

Overall

8277

Females

2322

F40-44

2322

21M→35K

21.0 - 21.8 mi

Top 24%
×7story building
+17ft-86ft

Overall

6067

Females

1342

F40-44

1342

35K→23M

21.8 - 23.0 mi

Top 26%
×5story building
+23ft-63ft

Overall

6599

Females

1725

F40-44

1725

23M→24M

23.0 - 24.0 mi

Top 25%
×6story building
+12ft-82ft

Overall

6295

Females

1666

F40-44

1666

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

10054

Females

3586

F40-44

3586

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9036

Females

3154

F40-44

3154

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2story building
+22ft-21ft

Overall

12988

Females

4956

F40-44

4956

Passing Analysis

Category:
Athletes Passed
3670*
Passed By
1099
Net Change
+2571
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11131
5K → 10K65974+585#11131#10546
10K → 15K444*39+405#10546#10141
15K → 20K593*13+580#10141#9561
20K → Half8114+67#9561#9494
Half → 25K37133+338#9494#9156
25K → 30K200442-242#9156#9398
30K → 20M3447+337#9398#9061
20M → 21M20767+140#9061#8921
21M → 35K1635+158#8921#8763
35K → 23M25036+214#8763#8549
23M → 24M19018+172#8549#8377
24M → 40K75103-28#8377#8405
40K → 25.2M5135+16#8405#8389
25.2M → Finish42213-171#8389#8560
TOTALS3670*1099+2571

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing