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BOSTON MARATHON 2026

Sara Maas

Bib: 19577•F

NM

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0:00
0:00
/ mi
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Overall
#0 / 29021
Top 47%
Gender (Female)
#0 / 12578
Top 33%
Age Group (F18-39)
#0 / 5716
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
23:35
3.11 mi
Rank: #13552
Start → 5K
23:35 | 7:36/mi
10K
47:05
6.21 mi
Rank: #13519 (+33)
5K → 10K
23:30 | 7:34/mi
15K
1:10:57
9.32 mi
Rank: #13774 (-255)
10K → 15K
23:52 | 7:41/mi
20K
1:35:07
12.43 mi
Rank: #13889 (-115)
15K → 20K
24:10 | 7:47/mi
HALF
1:40:23
13.11 mi
Rank: #13939 (-50)
20K → HALF
5:16 | 7:44/mi
25K
1:59:17
15.53 mi
Rank: #13889 (+50)
HALF → 25K
18:54 | 7:48/mi
30K
2:24:19
18.64 mi
Rank: #13859 (+30)
25K → 30K
25:02 | 8:04/mi
20M
2:35:24
20.00 mi
Rank: #13837 (+22)
30K → 20M
11:05 | 8:10/mi
21M
2:44:09
21.00 mi
Rank: #13874 (-37)
20M → 21M
8:45 | 8:45/mi
35K
2:49:56
21.75 mi
Rank: #13811 (+63)
21M → 35K
5:47 | 7:44/mi
23M
3:00:10
23.00 mi
Rank: #13798 (+13)
35K → 23M
10:14 | 8:11/mi
24M
3:08:06
24.00 mi
Rank: #13757 (+41)
23M → 24M
7:56 | 7:56/mi
40K
3:15:03
24.85 mi
Rank: #13736 (+21)
24M → 40K
6:57 | 8:08/mi
25.2M
3:18:00
25.20 mi
Rank: #13690 (+46)
40K → 25.2M
2:57 | 8:34/mi
FINISH
3:25:44
26.22 mi
Rank: #13622 (+68)
25.2M → FINISH
7:44 | 7:36/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:40:23
Pace7:40 /mi
2nd Half
Distance13.11 mi
Time1:45:21
Pace8:03 /mi
📊Positive Split: 4.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:08:0123:357:3623:35
7:36
-
10K
6.21 mi11:31:3147:057:3523:30
7:34
-0:02
15K
9.32 mi11:55:231:10:577:3723:52
7:41
+0:07
20K
12.43 mi12:19:331:35:077:4024:10
7:47
+0:06
HALF
13.11 mi12:24:491:40:237:405:16
7:44
-0:03
25K
15.53 mi12:43:431:59:177:4118:54
7:48
+0:04
30K
18.64 mi13:08:452:24:197:4525:02
8:04
+0:16
20M
20.00 mi13:19:502:35:247:4711:05
8:10
+0:06
21M
21.00 mi13:28:352:44:097:508:45
8:45
+0:35
35K
21.75 mi13:34:222:49:567:495:47
7:44
-1:01
23M
23.00 mi13:44:363:00:107:5110:14
8:11
+0:27
24M
24.00 mi13:52:323:08:067:517:56
7:56
-0:15
40K
24.85 mi13:59:293:15:037:516:57
8:08
+0:12
25.2M
25.20 mi14:02:263:18:007:522:57
8:34
+0:26
FINISH
26.22 mi14:10:103:25:447:527:44
7:36
-0:58

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

7:34 /mi

Average Pace

7:51 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

3:14:02

94% of race

Time at Steady Pace

11:42

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:51 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:08:0123:357:3623:35
7:36
#13552
10K
6.21 mi11:31:3147:057:3523:30
7:34
#13519
15K
9.32 mi11:55:231:10:577:3723:52
7:41
#13774
20K
12.43 mi12:19:331:35:077:4024:10
7:47
#13889
HALF
13.11 mi12:24:491:40:237:405:16
7:44
#13939
25K
15.53 mi12:43:431:59:177:4118:54
7:48
#13889
30K
18.64 mi13:08:452:24:197:4525:02
8:04
#13859
20M
20.00 mi13:19:502:35:247:4711:05
8:10
#13837
21M
21.00 mi13:28:352:44:097:508:45
8:45
#13874
35K
21.75 mi13:34:222:49:567:495:47
7:44
#13811
23M
23.00 mi13:44:363:00:107:5110:14
8:11
#13798
24M
24.00 mi13:52:323:08:067:517:56
7:56
#13757
40K
24.85 mi13:59:293:15:037:516:57
8:08
#13736
25.2M
25.20 mi14:02:263:18:007:522:57
8:34
#13690
FINISH
26.22 mi14:10:103:25:447:527:44
7:36
#13622
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi135523801380114376(Top 50%)4361(Top 35%)4361(Top 76%)
10K6.21 mi3.10 mi13519+333814-133814-1313507(Top 47%)3828(Top 30%)3828(Top 67%)
15K9.32 mi3.11 mi13774-2553984-1703984-17014376(Top 50%)4361(Top 35%)4361(Top 76%)
20K12.43 mi3.11 mi13889-1154079-954079-9514341(Top 49%)4398(Top 35%)4398(Top 77%)
HALF13.11 mi0.68 mi13939-504112-334112-3314935(Top 51%)4656(Top 37%)4656(Top 81%)
25K15.53 mi2.42 mi13889+504095+174095+1713784(Top 47%)4165(Top 33%)4165(Top 73%)
30K18.64 mi3.11 mi13859+304110-154110-1513926(Top 48%)4354(Top 35%)4354(Top 76%)
20M20.00 mi1.36 mi13837+224133-234133-2313960(Top 48%)4459(Top 35%)4459(Top 78%)
21M21.00 mi1.00 mi13874-374184-514184-5114678(Top 51%)4943(Top 39%)4943(Top 86%)
35K21.75 mi0.75 mi13811+634166+184166+1812544(Top 43%)3818(Top 30%)3818(Top 67%)
23M23.00 mi1.25 mi13798+134191-254191-2513635(Top 47%)4506(Top 36%)4506(Top 79%)
24M24.00 mi1.00 mi13757+414188+34188+313280(Top 46%)4387(Top 35%)4387(Top 77%)
40K24.85 mi0.85 mi13736+214190-24190-213328(Top 46%)4500(Top 36%)4500(Top 79%)
25.2M25.20 mi0.35 mi13690+464178+124178+1211993(Top 41%)3823(Top 30%)3823(Top 67%)
FINISH26.22 mi1.02 mi13622+684165+134165+1312115(Top 42%)3908(Top 31%)3908(Top 68%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21
+97ft-345ft

Overall

14376

Females

4361

F18-39

4361

5K→10K

3.1 - 6.2 mi

Top 47%
×5
+79ft-138ft

Overall

13507

Females

3828

F18-39

3828

10K→15K

6.2 - 9.3 mi

Top 50%
×3
+67ft-78ft

Overall

14376

Females

4361

F18-39

4361

15K→20K

9.3 - 12.4 mi

Top 49%
×5
+106ft-86ft

Overall

14341

Females

4398

F18-39

4398

20K→HALF

12.4 - 13.1 mi

Top 51%
×2
+19ft-37ft

Overall

14935

Females

4656

F18-39

4656

HALF→25K

13.1 - 15.5 mi

Top 47%
×4
+66ft-88ft

Overall

13784

Females

4165

F18-39

4165

25K→30K

15.5 - 18.6 mi

Top 48%
×9
+181ft-148ft

Overall

13926

Females

4354

F18-39

4354

30K→20M

18.6 - 20.0 mi

Top 48%
×5
+64ft-50ft

Overall

13960

Females

4459

F18-39

4459

20M→21M

20.0 - 21.0 mi

Top 51%
×8
+106ft-24ft

Overall

14678

Females

4943

F18-39

4943

21M→35K

21.0 - 21.8 mi

Top 43%
×7
+17ft-86ft

Overall

12544

Females

3818

F18-39

3818

35K→23M

21.8 - 23.0 mi

Top 47%
×5
+23ft-63ft

Overall

13635

Females

4506

F18-39

4506

23M→24M

23.0 - 24.0 mi

Top 46%
×6
+12ft-82ft

Overall

13280

Females

4387

F18-39

4387

24M→40K

24.0 - 24.9 mi

Top 46%
×1
+6ft-20ft

Overall

13328

Females

4500

F18-39

4500

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1
+13ft-16ft

Overall

11993

Females

3823

F18-39

3823

25.2M→FINISH

25.2 - 26.2 mi

Top 42%
×2
+22ft-21ft

Overall

12115

Females

3908

F18-39

3908

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1607
Passed By
1677
Net Change
-70
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13552
5K → 10K311278+33#13552#13519
10K → 15K118373-255#13519#13774
15K → 20K120235-115#13774#13889
20K → HALF1666-50#13889#13939
HALF → 25K157107+50#13939#13889
25K → 30K206176+30#13889#13859
30K → 20M11088+22#13859#13837
20M → 21M77114-37#13837#13874
21M → 35K8724+63#13874#13811
35K → 23M9481+13#13811#13798
23M → 24M9049+41#13798#13757
24M → 40K6746+21#13757#13736
40K → 25.2M504+46#13736#13690
25.2M → FINISH10436+68#13690#13622
TOTALS16071677-70
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing