Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Fleur Nijsten

Bib: 14870FAge: N/A

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 42%
Gender (Female)
#0 / 12578
Top 26%
Age Group (F18-39)
#0 / 5716
Top 45%
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
23:00
3.11 mi
Rank: #11983
Start5K
23:00 | 7:25/mi
10K
46:08
6.21 mi
Rank: #12191 (-208)
5K10K
23:08 | 7:27/mi
15K
1:09:25
9.32 mi
Rank: #12363 (-172)
10K15K
23:17 | 7:30/mi
20K
1:32:46
12.43 mi
Rank: #12284 (+79)
15K20K
23:21 | 7:31/mi
HALF
1:37:46
13.11 mi
Rank: #12242 (+42)
20KHALF
5:00 | 7:21/mi
25K
1:56:02
15.53 mi
Rank: #12140 (+102)
HALF25K
18:16 | 7:32/mi
30K
2:20:07
18.64 mi
Rank: #12001 (+139)
25K30K
24:05 | 7:46/mi
20M
2:30:52
20.00 mi
Rank: #12020 (-19)
30K20M
10:45 | 7:55/mi
21M
2:39:21
21.00 mi
Rank: #12070 (-50)
20M21M
8:29 | 8:29/mi
35K
2:45:02
21.75 mi
Rank: #12028 (+42)
21M35K
5:41 | 7:36/mi
23M
2:55:08
23.00 mi
Rank: #12050 (-22)
35K23M
10:06 | 8:05/mi
24M
3:02:55
24.00 mi
Rank: #12044 (+6)
23M24M
7:47 | 7:47/mi
40K
3:09:42
24.85 mi
Rank: #12002 (+42)
24M40K
6:47 | 7:57/mi
25.2M
3:12:43
25.20 mi
Rank: #12022 (-20)
40K25.2M
3:01 | 8:45/mi
FINISH
3:20:49
26.22 mi
Rank: #12117 (-95)
25.2MFINISH
8:06 | 7:57/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:37:46
Pace7:28 /mi
2nd Half
Distance13.11 mi
Time1:43:03
Pace7:52 /mi
📊Positive Split: 5.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:1523:007:2523:00
7:25
-
10K
6.21 mi11:16:2346:087:2623:08
7:27
+0:02
15K
9.32 mi11:39:401:09:257:2723:17
7:30
+0:03
20K
12.43 mi12:03:011:32:467:2823:21
7:31
+0:01
HALF
13.11 mi12:08:011:37:467:285:00
7:21
-0:10
25K
15.53 mi12:26:171:56:027:2918:16
7:32
+0:11
30K
18.64 mi12:50:222:20:077:3124:05
7:46
+0:14
20M
20.00 mi13:01:072:30:527:3310:45
7:55
+0:09
21M
21.00 mi13:09:362:39:217:368:29
8:29
+0:34
35K
21.75 mi13:15:172:45:027:365:41
7:36
-0:53
23M
23.00 mi13:25:232:55:087:3710:06
8:05
+0:29
24M
24.00 mi13:33:103:02:557:387:47
7:47
-0:18
40K
24.85 mi13:39:573:09:427:386:47
7:57
+0:10
25.2M
25.20 mi13:42:583:12:437:393:01
8:45
+0:48
FINISH
26.22 mi13:51:043:20:497:408:06
7:57
-0:48

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

7:21 /mi

Average Pace

7:40 /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

3:09:19

94% of race

Time at Steady Pace

8:29

4% of race

Time at Slower Pace

3:01

2% of race

Average Pace: 7:40 /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 mi10:53:1523:007:2523:00
7:25
#11983
10K
6.21 mi11:16:2346:087:2623:08
7:27
#12191
15K
9.32 mi11:39:401:09:257:2723:17
7:30
#12363
20K
12.43 mi12:03:011:32:467:2823:21
7:31
#12284
HALF
13.11 mi12:08:011:37:467:285:00
7:21
#12242
25K
15.53 mi12:26:171:56:027:2918:16
7:32
#12140
30K
18.64 mi12:50:222:20:077:3124:05
7:46
#12001
20M
20.00 mi13:01:072:30:527:3310:45
7:55
#12020
21M
21.00 mi13:09:362:39:217:368:29
8:29
#12070
35K
21.75 mi13:15:172:45:027:365:41
7:36
#12028
23M
23.00 mi13:25:232:55:087:3710:06
8:05
#12050
24M
24.00 mi13:33:103:02:557:387:47
7:47
#12044
40K
24.85 mi13:39:573:09:427:386:47
7:57
#12002
25.2M
25.20 mi13:42:583:12:437:393:01
8:45
#12022
FINISH
26.22 mi13:51:043:20:497:408:06
7:57
#12117
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 mi119832906290612770(Top 44%)3432(Top 27%)3432(Top 60%)
10K6.21 mi3.10 mi12191-2083049-1433049-14312478(Top 43%)3244(Top 26%)3244(Top 57%)
15K9.32 mi3.11 mi12363-1723161-1123161-11212770(Top 44%)3432(Top 27%)3432(Top 60%)
20K12.43 mi3.11 mi12284+793156+53156+512127(Top 42%)3181(Top 25%)3181(Top 56%)
HALF13.11 mi0.68 mi12242+423133+233133+2311581(Top 40%)2806(Top 22%)2806(Top 49%)
25K15.53 mi2.42 mi12140+1023108+253108+2511700(Top 40%)3006(Top 24%)3006(Top 53%)
30K18.64 mi3.11 mi12001+1393091+173091+1711625(Top 40%)3103(Top 25%)3103(Top 54%)
20M20.00 mi1.36 mi12020-193119-283119-2812215(Top 42%)3513(Top 28%)3513(Top 61%)
21M21.00 mi1.00 mi12070-503162-433162-4313020(Top 45%)4057(Top 32%)4057(Top 71%)
35K21.75 mi0.75 mi12028+423157+53157+511592(Top 40%)3316(Top 26%)3316(Top 58%)
23M23.00 mi1.25 mi12050-223202-453202-4512951(Top 45%)4116(Top 33%)4116(Top 72%)
24M24.00 mi1.00 mi12044+63230-283230-2812182(Top 42%)3803(Top 30%)3803(Top 67%)
40K24.85 mi0.85 mi12002+423228+23228+212057(Top 42%)3808(Top 30%)3808(Top 67%)
25.2M25.20 mi0.35 mi12022-203252-243252-2413239(Top 46%)4471(Top 36%)4471(Top 78%)
FINISH26.22 mi1.02 mi12117-953326-743326-7414845(Top 51%)5350(Top 43%)5350(Top 94%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21
+97ft-345ft

Overall

12770

Females

3432

F18-39

3432

5K→10K

3.1 - 6.2 mi

Top 43%
×5
+79ft-138ft

Overall

12478

Females

3244

F18-39

3244

10K→15K

6.2 - 9.3 mi

Top 44%
×3
+67ft-78ft

Overall

12770

Females

3432

F18-39

3432

15K→20K

9.3 - 12.4 mi

Top 42%
×5
+106ft-86ft

Overall

12127

Females

3181

F18-39

3181

20K→HALF

12.4 - 13.1 mi

Top 40%
×2
+19ft-37ft

Overall

11581

Females

2806

F18-39

2806

HALF→25K

13.1 - 15.5 mi

Top 40%
×4
+66ft-88ft

Overall

11700

Females

3006

F18-39

3006

25K→30K

15.5 - 18.6 mi

Top 40%
×9
+181ft-148ft

Overall

11625

Females

3103

F18-39

3103

30K→20M

18.6 - 20.0 mi

Top 42%
×5
+64ft-50ft

Overall

12215

Females

3513

F18-39

3513

20M→21M

20.0 - 21.0 mi

Top 45%
×8
+106ft-24ft

Overall

13020

Females

4057

F18-39

4057

21M→35K

21.0 - 21.8 mi

Top 40%
×7
+17ft-86ft

Overall

11592

Females

3316

F18-39

3316

35K→23M

21.8 - 23.0 mi

Top 45%
×5
+23ft-63ft

Overall

12951

Females

4116

F18-39

4116

23M→24M

23.0 - 24.0 mi

Top 42%
×6
+12ft-82ft

Overall

12182

Females

3803

F18-39

3803

24M→40K

24.0 - 24.9 mi

Top 42%
×1
+6ft-20ft

Overall

12057

Females

3808

F18-39

3808

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1
+13ft-16ft

Overall

13239

Females

4471

F18-39

4471

25.2M→FINISH

25.2 - 26.2 mi

Top 51%
×2
+22ft-21ft

Overall

14845

Females

5350

F18-39

5350

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1565*
Passed By
1421
Net Change
-134
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11983
5K10K175200-208#11983#12191
10K15K123200-172#12191#12363
15K20K207*128+79#12363#12284
20KHALF5715+42#12284#12242
HALF25K16260+102#12242#12140
25K30K252*113+139#12140#12001
30K20M83102-19#12001#12020
20M21M79129-50#12020#12070
21M35K7432+42#12070#12028
35K23M94116-22#12028#12050
23M24M8175+6#12050#12044
24M40K10058+42#12044#12002
40K25.2M2848-20#12002#12022
25.2MFINISH50145-95#12022#12117
TOTALS1565*1421-134

* 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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