Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Sonia Boor

Bib: 12528FAge: N/A

MA

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 35%
Gender (Female)
#0 / 12578
Top 18%
Age Group (F18-39)
#0 / 5716
Top 32%
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
23:24
3.11 mi
Rank: #13046
Start5K
23:24 | 7:32/mi
10K
46:46
6.21 mi
Rank: #13061 (-15)
5K10K
23:22 | 7:32/mi
15K
1:10:06
9.32 mi
Rank: #12986 (+75)
10K15K
23:20 | 7:31/mi
20K
1:33:18
12.43 mi
Rank: #12655 (+331)
15K20K
23:12 | 7:29/mi
HALF
1:38:19
13.11 mi
Rank: #12604 (+51)
20KHALF
5:01 | 7:22/mi
25K
1:56:19
15.53 mi
Rank: #12287 (+317)
HALF25K
18:00 | 7:26/mi
30K
2:19:35
18.64 mi
Rank: #11785 (+502)
25K30K
23:16 | 7:30/mi
20M
2:29:49
20.00 mi
Rank: #11572 (+213)
30K20M
10:14 | 7:33/mi
21M
2:37:30
21.00 mi
Rank: #11298 (+274)
20M21M
7:41 | 7:41/mi
35K
2:42:59
21.75 mi
Rank: #11213 (+85)
21M35K
5:29 | 7:20/mi
23M
2:52:11
23.00 mi
Rank: #10947 (+266)
35K23M
9:12 | 7:22/mi
24M
2:59:16
24.00 mi
Rank: #10721 (+226)
23M24M
7:05 | 7:05/mi
40K
3:05:15
24.85 mi
Rank: #10482 (+239)
24M40K
5:59 | 7:00/mi
25.2M
3:07:47
25.20 mi
Rank: #10346 (+136)
40K25.2M
2:32 | 7:21/mi
FINISH
3:14:24
26.22 mi
Rank: #10024 (+322)
25.2MFINISH
6:37 | 6:30/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time1:38:19
Pace7:30 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:36:05
Pace7:20 /mi
📊Negative Split: 2.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:0323:247:3223:24
7:32
-
10K
6.21 mi11:15:2546:467:3223:22
7:32
0:00
15K
9.32 mi11:38:451:10:067:3223:20
7:31
-0:01
20K
12.43 mi12:01:571:33:187:3123:12
7:29
-0:02
HALF
13.11 mi12:06:581:38:197:305:01
7:22
-0:07
25K
15.53 mi12:24:581:56:197:3018:00
7:26
+0:04
30K
18.64 mi12:48:142:19:357:3023:16
7:30
+0:04
20M
20.00 mi12:58:282:29:497:3010:14
7:33
+0:03
21M
21.00 mi13:06:092:37:307:317:41
7:41
+0:08
35K
21.75 mi13:11:382:42:597:305:29
7:20
-0:21
23M
23.00 mi13:20:502:52:117:309:12
7:22
+0:02
24M
24.00 mi13:27:552:59:167:297:05
7:05
-0:17
40K
24.85 mi13:33:543:05:157:285:59
7:00
-0:05
25.2M
25.20 mi13:36:263:07:477:282:32
7:21
+0:21
FINISH
26.22 mi13:43:033:14:247:266:37
6:30
-0:51

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

6:30 /mi

Average Pace

7:25 /mi

Slowest Pace

7:41 /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

19:41

10% of race

Time at Steady Pace

2:47:02

86% of race

Time at Slower Pace

7:41

4% of race

Average Pace: 7:25 /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 mi10:52:0323:247:3223:24
7:32
#13046
10K
6.21 mi11:15:2546:467:3223:22
7:32
#13061
15K
9.32 mi11:38:451:10:067:3223:20
7:31
#12986
20K
12.43 mi12:01:571:33:187:3123:12
7:29
#12655
HALF
13.11 mi12:06:581:38:197:305:01
7:22
#12604
25K
15.53 mi12:24:581:56:197:3018:00
7:26
#12287
30K
18.64 mi12:48:142:19:357:3023:16
7:30
#11785
20M
20.00 mi12:58:282:29:497:3010:14
7:33
#11572
21M
21.00 mi13:06:092:37:307:317:41
7:41
#11298
35K
21.75 mi13:11:382:42:597:305:29
7:20
#11213
23M
23.00 mi13:20:502:52:117:309:12
7:22
#10947
24M
24.00 mi13:27:552:59:167:297:05
7:05
#10721
40K
24.85 mi13:33:543:05:157:285:59
7:00
#10482
25.2M
25.20 mi13:36:263:07:477:282:32
7:21
#10346
FINISH
26.22 mi13:43:033:14:247:266:37
6:30
#10024
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 mi130463510351012897(Top 44%)3505(Top 28%)3505(Top 61%)
10K6.21 mi3.10 mi13061-153557-473557-4713131(Top 45%)3609(Top 29%)3609(Top 63%)
15K9.32 mi3.11 mi12986+753532+253532+2512897(Top 44%)3505(Top 28%)3505(Top 61%)
20K12.43 mi3.11 mi12655+3313364+1683364+16811679(Top 40%)2926(Top 23%)2926(Top 51%)
HALF13.11 mi0.68 mi12604+513332+323332+3211744(Top 40%)2857(Top 23%)2857(Top 50%)
25K15.53 mi2.42 mi12287+3173195+1373195+13710780(Top 37%)2521(Top 20%)2521(Top 44%)
30K18.64 mi3.11 mi11785+5022961+2342961+2349600(Top 33%)2092(Top 17%)2092(Top 37%)
20M20.00 mi1.36 mi11572+2132860+1012860+1019371(Top 32%)2090(Top 17%)2090(Top 37%)
21M21.00 mi1.00 mi11298+2742741+1192741+1197766(Top 27%)1520(Top 12%)1520(Top 27%)
35K21.75 mi0.75 mi11213+852716+252716+259576(Top 33%)2286(Top 18%)2286(Top 40%)
23M23.00 mi1.25 mi10947+2662606+1102606+1107849(Top 27%)1576(Top 13%)1576(Top 28%)
24M24.00 mi1.00 mi10721+2262523+832523+837100(Top 24%)1342(Top 11%)1342(Top 23%)
40K24.85 mi0.85 mi10482+2392434+892434+895546(Top 19%)872(Top 7%)872(Top 15%)
25.2M25.20 mi0.35 mi10346+1362382+522382+524458(Top 15%)653(Top 5%)653(Top 11%)
FINISH26.22 mi1.02 mi10024+3222249+1332249+1334135(Top 14%)561(Top 4%)561(Top 10%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21
+97ft-345ft

Overall

12897

Females

3505

F18-39

3505

5K→10K

3.1 - 6.2 mi

Top 45%
×5
+79ft-138ft

Overall

13131

Females

3609

F18-39

3609

10K→15K

6.2 - 9.3 mi

Top 44%
×3
+67ft-78ft

Overall

12897

Females

3505

F18-39

3505

15K→20K

9.3 - 12.4 mi

Top 40%
×5
+106ft-86ft

Overall

11679

Females

2926

F18-39

2926

20K→HALF

12.4 - 13.1 mi

Top 40%
×2
+19ft-37ft

Overall

11744

Females

2857

F18-39

2857

HALF→25K

13.1 - 15.5 mi

Top 37%
×4
+66ft-88ft

Overall

10780

Females

2521

F18-39

2521

25K→30K

15.5 - 18.6 mi

Top 33%
×9
+181ft-148ft

Overall

9600

Females

2092

F18-39

2092

30K→20M

18.6 - 20.0 mi

Top 32%
×5
+64ft-50ft

Overall

9371

Females

2090

F18-39

2090

20M→21M

20.0 - 21.0 mi

Top 27%
×8
+106ft-24ft

Overall

7766

Females

1520

F18-39

1520

21M→35K

21.0 - 21.8 mi

Top 33%
×7
+17ft-86ft

Overall

9576

Females

2286

F18-39

2286

35K→23M

21.8 - 23.0 mi

Top 27%
×5
+23ft-63ft

Overall

7849

Females

1576

F18-39

1576

23M→24M

23.0 - 24.0 mi

Top 24%
×6
+12ft-82ft

Overall

7100

Females

1342

F18-39

1342

24M→40K

24.0 - 24.9 mi

Top 19%
×1
+6ft-20ft

Overall

5546

Females

872

F18-39

872

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1
+13ft-16ft

Overall

4458

Females

653

F18-39

653

25.2M→FINISH

25.2 - 26.2 mi

Top 14%
×2
+22ft-21ft

Overall

4135

Females

561

F18-39

561

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3507*
Passed By
470
Net Change
+3022
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13046
5K10K200200-15#13046#13061
10K15K225*150+75#13061#12986
15K20K360*29+331#12986#12655
20KHALF6110+51#12655#12604
HALF25K336*19+317#12604#12287
25K30K516*14+502#12287#11785
30K20M225*12+213#11785#11572
20M21M275*1+274#11572#11298
21M35K10318+85#11298#11213
35K23M277*11+266#11213#10947
23M24M231*5+226#10947#10721
24M40K239*0+239#10721#10482
40K25.2M1360+136#10482#10346
25.2MFINISH323*1+322#10346#10024
TOTALS3507*470+3022

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

📊

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

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