Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Nancy Lee

Bib: 15908 β€’F β€’Age: N/A

CA

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 39%
Gender (Female)
#0 / 12578
Top 23%
Age Group (F18-39)
#0 / 5716
Top 40%
Race Day Weather
51Β°/41Β°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
23:22
3.11 mi
Rank: #12952
Start β†’ 5K
23:22 | 7:32/mi
10K
45:58
6.21 mi
Rank: #11950 (+1002)
5K β†’ 10K
22:36 | 7:17/mi
15K
1:08:25
9.32 mi
Rank: #11406 (+544)
10K β†’ 15K
22:27 | 7:14/mi
20K
1:31:15
12.43 mi
Rank: #11223 (+183)
15K β†’ 20K
22:50 | 7:21/mi
HALF
1:36:10
13.11 mi
Rank: #11174 (+49)
20K β†’ HALF
4:55 | 7:13/mi
25K
1:54:17
15.53 mi
Rank: #11151 (+23)
HALF β†’ 25K
18:07 | 7:29/mi
30K
2:18:15
18.64 mi
Rank: #11164 (-13)
25K β†’ 30K
23:58 | 7:43/mi
20M
2:29:06
20.00 mi
Rank: #11282 (-118)
30K β†’ 20M
10:51 | 8:00/mi
21M
2:37:36
21.00 mi
Rank: #11345 (-63)
20M β†’ 21M
8:30 | 8:30/mi
35K
2:43:13
21.75 mi
Rank: #11289 (+56)
21M β†’ 35K
5:37 | 7:31/mi
23M
2:52:55
23.00 mi
Rank: #11205 (+84)
35K β†’ 23M
9:42 | 7:46/mi
24M
3:00:28
24.00 mi
Rank: #11154 (+51)
23M β†’ 24M
7:33 | 7:33/mi
40K
3:07:26
24.85 mi
Rank: #11191 (-37)
24M β†’ 40K
6:58 | 8:09/mi
25.2M
3:10:27
25.20 mi
Rank: #11227 (-36)
40K β†’ 25.2M
3:01 | 8:45/mi
FINISH
3:18:15
26.22 mi
Rank: #11248 (-21)
25.2M β†’ FINISH
7:48 | 7:40/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:36:10
Pace7:21 /mi
2nd Half
Distance13.11 mi
Time1:42:05
Pace7:48 /mi
πŸ“ŠPositive Split: 6.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:4623:227:3223:22
7:32
-
10K
6.21 mi11:18:2245:587:2422:36
7:17
-0:15
15K
9.32 mi11:40:491:08:257:2122:27
7:14
-0:03
20K
12.43 mi12:03:391:31:157:2122:50
7:21
+0:07
HALF
13.11 mi12:08:341:36:107:214:55
7:13
-0:08
25K
15.53 mi12:26:411:54:177:2218:07
7:29
+0:16
30K
18.64 mi12:50:392:18:157:2523:58
7:43
+0:14
20M
20.00 mi13:01:302:29:067:2810:51
8:00
+0:17
21M
21.00 mi13:10:002:37:367:318:30
8:30
+0:30
35K
21.75 mi13:15:372:43:137:315:37
7:31
-0:59
23M
23.00 mi13:25:192:52:557:329:42
7:46
+0:15
24M
24.00 mi13:32:523:00:287:327:33
7:33
-0:13
40K
24.85 mi13:39:503:07:267:336:58
8:09
+0:36
25.2M
25.20 mi13:42:513:10:277:343:01
8:45
+0:36
FINISH
26.22 mi13:50:393:18:157:357:48
7:40
-1:05

Checkpoint Splits Visualizations

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

πŸ“ˆPace 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

7:13 /mi

Average Pace

7:34 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

49:58

25% of race

Time at Steady Pace

1:58:57

60% of race

Time at Slower Pace

29:20

15% of race

Average Pace: 7:34 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi10:55:4623:227:3223:22
7:32
#12952
10K
6.21 mi11:18:2245:587:2422:36
7:17
#11950
15K
9.32 mi11:40:491:08:257:2122:27
7:14
#11406
20K
12.43 mi12:03:391:31:157:2122:50
7:21
#11223
HALF
13.11 mi12:08:341:36:107:214:55
7:13
#11174
25K
15.53 mi12:26:411:54:177:2218:07
7:29
#11151
30K
18.64 mi12:50:392:18:157:2523:58
7:43
#11164
20M
20.00 mi13:01:302:29:067:2810:51
8:00
#11282
21M
21.00 mi13:10:002:37:367:318:30
8:30
#11345
35K
21.75 mi13:15:372:43:137:315:37
7:31
#11289
23M
23.00 mi13:25:192:52:557:329:42
7:46
#11205
24M
24.00 mi13:32:523:00:287:327:33
7:33
#11154
40K
24.85 mi13:39:503:07:267:336:58
8:09
#11191
25.2M
25.20 mi13:42:513:10:277:343:01
8:45
#11227
FINISH
26.22 mi13:50:393:18:157:357:48
7:40
#11248
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 mi129523450345010343(Top 36%)2129(Top 17%)2129(Top 37%)
10K6.21 mi3.10 mi11950+10022909+5412909+54110932(Top 38%)2388(Top 19%)2388(Top 42%)
15K9.32 mi3.11 mi11406+5442640+2692640+26910343(Top 36%)2129(Top 17%)2129(Top 37%)
20K12.43 mi3.11 mi11223+1832580+602580+6010639(Top 37%)2370(Top 19%)2370(Top 41%)
HALF13.11 mi0.68 mi11174+492560+202560+2010417(Top 36%)2173(Top 17%)2173(Top 38%)
25K15.53 mi2.42 mi11151+232569-92569-911180(Top 39%)2729(Top 22%)2729(Top 48%)
30K18.64 mi3.11 mi11164-132627-582627-5811352(Top 39%)2946(Top 23%)2946(Top 52%)
20M20.00 mi1.36 mi11282-1182716-892716-8912745(Top 44%)3791(Top 30%)3791(Top 66%)
21M21.00 mi1.00 mi11345-632761-452761-4513109(Top 45%)4100(Top 33%)4100(Top 72%)
35K21.75 mi0.75 mi11289+562746+152746+1510931(Top 38%)2944(Top 23%)2944(Top 52%)
23M23.00 mi1.25 mi11205+842738+82738+810678(Top 37%)2937(Top 23%)2937(Top 51%)
24M24.00 mi1.00 mi11154+512738273810471(Top 36%)2886(Top 23%)2886(Top 50%)
40K24.85 mi0.85 mi11191-372780-422780-4213454(Top 46%)4575(Top 36%)4575(Top 80%)
25.2M25.20 mi0.35 mi11227-362810-302810-3013215(Top 46%)4447(Top 35%)4447(Top 78%)
FINISH26.22 mi1.02 mi11248-212856-462856-4612629(Top 44%)4182(Top 33%)4182(Top 73%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
Γ—21
+97ft-345ft

Overall

10343

Females

2129

F18-39

2129

5K→10K

3.1 - 6.2 mi

Top 38%
Γ—5
+79ft-138ft

Overall

10932

Females

2388

F18-39

2388

10K→15K

6.2 - 9.3 mi

Top 36%
Γ—3
+67ft-78ft

Overall

10343

Females

2129

F18-39

2129

15K→20K

9.3 - 12.4 mi

Top 37%
Γ—5
+106ft-86ft

Overall

10639

Females

2370

F18-39

2370

20K→HALF

12.4 - 13.1 mi

Top 36%
Γ—2
+19ft-37ft

Overall

10417

Females

2173

F18-39

2173

HALF→25K

13.1 - 15.5 mi

Top 39%
Γ—4
+66ft-88ft

Overall

11180

Females

2729

F18-39

2729

25K→30K

15.5 - 18.6 mi

Top 39%
Γ—9
+181ft-148ft

Overall

11352

Females

2946

F18-39

2946

30K→20M

18.6 - 20.0 mi

Top 44%
Γ—5
+64ft-50ft

Overall

12745

Females

3791

F18-39

3791

20M→21M

20.0 - 21.0 mi

Top 45%
Γ—8
+106ft-24ft

Overall

13109

Females

4100

F18-39

4100

21M→35K

21.0 - 21.8 mi

Top 38%
Γ—7
+17ft-86ft

Overall

10931

Females

2944

F18-39

2944

35K→23M

21.8 - 23.0 mi

Top 37%
Γ—5
+23ft-63ft

Overall

10678

Females

2937

F18-39

2937

23M→24M

23.0 - 24.0 mi

Top 36%
Γ—6
+12ft-82ft

Overall

10471

Females

2886

F18-39

2886

24M→40K

24.0 - 24.9 mi

Top 46%
Γ—1
+6ft-20ft

Overall

13454

Females

4575

F18-39

4575

40K→25.2M

24.9 - 25.2 mi

Top 46%
Γ—1
+13ft-16ft

Overall

13215

Females

4447

F18-39

4447

25.2M→FINISH

25.2 - 26.2 mi

Top 44%
Γ—2
+22ft-21ft

Overall

12629

Females

4182

F18-39

4182

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2856*
Passed By
1140
Net Change
+1704
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#12952
5K β†’ 10K1038*36+1002#12952#11950
10K β†’ 15K571*27+544#11950#11406
15K β†’ 20K244*61+183#11406#11223
20K β†’ HALF567+49#11223#11174
HALF β†’ 25K136113+23#11174#11151
25K β†’ 30K199200-13#11151#11164
30K β†’ 20M56174-118#11164#11282
20M β†’ 21M69132-63#11282#11345
21M β†’ 35K8125+56#11345#11289
35K β†’ 23M15066+84#11289#11205
23M β†’ 24M10150+51#11205#11154
24M β†’ 40K5996-37#11154#11191
40K β†’ 25.2M2258-36#11191#11227
25.2M β†’ FINISH7495-21#11227#11248
TOTALS2856*1140+1704

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

πŸ“Š

Passing Analysis Visualizations

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

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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Qualifying & Age Grade

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OTQ

Olympic Trials Qualifying analysis available

Activity Data

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