Boston Marathon logo
BOSTON MARATHON 2024

Nadia Parachin

Bib: 7954•F

MA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Top 48%
Gender (Female)
#0 / 10924
Top 36%
Masters (Masters Women)
#0 / 6263
Top 24%
Division (F40-44)
#0 / 1613
Top 42%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:50
Rank: #12100
Start → 5K
23:50 | 7:40/mi
10K· 6.21 mi
48:12
Rank: #12539 (-439)
5K → 10K
24:22 | 7:51/mi
15K· 9.32 mi
1:12:56
Rank: #12741 (-202)
10K → 15K
24:44 | 7:58/mi
20K· 12.43 mi
1:38:10
Rank: #12647 (+94)
15K → 20K
25:14 | 8:07/mi
Half· 13.11 mi
1:43:40
Rank: #12656 (-9)
20K → Half
5:30 | 8:04/mi
25K· 15.53 mi
2:04:09
Rank: #12641 (+15)
Half → 25K
20:29 | 8:27/mi
30K· 18.64 mi
2:32:26
Rank: #12823 (-182)
25K → 30K
28:17 | 9:06/mi
20M
2:44:30
Rank: #12661 (+162)
30K → 20M
12:04 | 8:53/mi
21M
2:55:02
Rank: #12818 (-157)
20M → 21M
10:32 | 10:32/mi
35K· 21.75 mi
3:01:18
Rank: #12689 (+129)
21M → 35K
6:16 | 8:23/mi
23M
3:13:01
Rank: #12646 (+43)
35K → 23M
11:43 | 9:21/mi
24M
3:21:39
Rank: #12514 (+132)
23M → 24M
8:38 | 8:38/mi
40K· 24.85 mi
3:29:45
Rank: #12496 (+18)
24M → 40K
8:06 | 9:28/mi
25.2M
3:33:11
Rank: #12443 (+53)
40K → 25.2M
3:26 | 9:57/mi
Finish· 26.22 mi
3:41:36
Rank: #12352 (+91)
25.2M → Finish
8:25 | 8:16/mi

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
Time1:43:40
Pace7:54 /mi
2nd Half
Distance13.11 mi
Time1:57:56
Pace9:00 /mi
📊Positive Split: 13.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:31:3023:507:4023:50
7:40
-
10K
6.21 mi10:55:5248:127:4524:22
7:51
+0:11
15K
9.32 mi11:20:361:12:567:4924:44
7:58
+0:07
20K
12.43 mi11:45:501:38:107:5425:14
8:07
+0:09
Half
13.11 mi11:51:201:43:407:545:30
8:04
-0:03
25K
15.53 mi12:11:492:04:098:0020:29
8:27
+0:23
30K
18.64 mi12:40:062:32:268:1128:17
9:06
+0:39
20M
20.00 mi12:52:102:44:308:1312:04
8:53
-0:13
21M
21.00 mi13:02:422:55:028:2010:32
10:32
+1:39
35K
21.75 mi13:08:583:01:188:206:16
8:23
-2:09
23M
23.00 mi13:20:413:13:018:2411:43
9:21
+0:58
24M
24.00 mi13:29:193:21:398:248:38
8:38
-0:43
40K
24.85 mi13:37:253:29:458:268:06
9:28
+0:50
25.2M
25.20 mi13:40:513:33:118:283:26
9:57
+0:29
Finish
26.22 mi13:49:163:41:368:278:25
8:16
-1:41

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

7:40 /mi

Average Pace

8:27 /mi

Slowest Pace

10:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:12:56

33% of race

Time at Steady Pace

1:14:32

34% of race

Time at Slower Pace

1:14:08

33% of race

Average Pace: 8:27 /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 mi10:31:3023:507:4023:50
7:40
#12100
10K
6.21 mi10:55:5248:127:4524:22
7:51
#12539
15K
9.32 mi11:20:361:12:567:4924:44
7:58
#12741
20K
12.43 mi11:45:501:38:107:5425:14
8:07
#12647
Half
13.11 mi11:51:201:43:407:545:30
8:04
#12656
25K
15.53 mi12:11:492:04:098:0020:29
8:27
#12641
30K
18.64 mi12:40:062:32:268:1128:17
9:06
#12823
20M
20.00 mi12:52:102:44:308:1312:04
8:53
#12661
21M
21.00 mi13:02:422:55:028:2010:32
10:32
#12818
35K
21.75 mi13:08:583:01:188:206:16
8:23
#12689
23M
23.00 mi13:20:413:13:018:2411:43
9:21
#12646
24M
24.00 mi13:29:193:21:398:248:38
8:38
#12514
40K
24.85 mi13:37:253:29:458:268:06
9:28
#12496
25.2M
25.20 mi13:40:513:33:118:283:26
9:57
#12443
Finish
26.22 mi13:49:163:41:368:278:25
8:16
#12352
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi121003185318513182(Top 52%)3906(Top 36%)3906(Top 242%)
10K6.21 mi3.10 mi12539-4393467-2823467-28213024(Top 51%)3781(Top 35%)3781(Top 234%)
15K9.32 mi3.11 mi12741-2023604-1373604-13713182(Top 52%)3906(Top 36%)3906(Top 242%)
20K12.43 mi3.11 mi12647+943570+343570+3412681(Top 50%)3671(Top 34%)3671(Top 228%)
Half13.11 mi0.68 mi12656-93591-213591-2113194(Top 52%)4008(Top 37%)4008(Top 248%)
25K15.53 mi2.42 mi12641+153618-273618-2712801(Top 50%)3935(Top 36%)3935(Top 244%)
30K18.64 mi3.11 mi12823-1823802-1843802-18413731(Top 54%)4688(Top 43%)4688(Top 291%)
20M20.00 mi1.36 mi12661+1623777+253777+2511514(Top 45%)3770(Top 35%)3770(Top 234%)
21M21.00 mi1.00 mi12818-1573925-1483925-14814958(Top 59%)5794(Top 53%)5794(Top 359%)
35K21.75 mi0.75 mi12689+1293890+353890+3510053(Top 39%)3263(Top 30%)3263(Top 202%)
23M23.00 mi1.25 mi12646+433917-273917-2712877(Top 50%)4840(Top 44%)4840(Top 300%)
24M24.00 mi1.00 mi12514+1323904+133904+1310239(Top 40%)3569(Top 33%)3569(Top 221%)
40K24.85 mi0.85 mi12496+183937-333937-3313013(Top 51%)5042(Top 46%)5042(Top 313%)
25.2M25.20 mi0.35 mi12443+533932+53932+510812(Top 42%)4005(Top 37%)4005(Top 248%)
Finish26.22 mi1.02 mi12352+913923+93923+910119(Top 40%)3571(Top 33%)3571(Top 221%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21stories
+97ft-345ft

Overall

13182

Females

3906

F40-44

3906

5K→10K

3.1 - 6.2 mi

Top 51%
×5stories
+79ft-138ft

Overall

13024

Females

3781

F40-44

3781

10K→15K

6.2 - 9.3 mi

Top 52%
×3stories
+67ft-78ft

Overall

13182

Females

3906

F40-44

3906

15K→20K

9.3 - 12.4 mi

Top 50%
×5stories
+106ft-86ft

Overall

12681

Females

3671

F40-44

3671

20K→Half

12.4 - 13.1 mi

Top 52%
×2stories
+19ft-37ft

Overall

13194

Females

4008

F40-44

4008

Half→25K

13.1 - 15.5 mi

Top 50%
×4stories
+66ft-88ft

Overall

12801

Females

3935

F40-44

3935

25K→30K

15.5 - 18.6 mi

Top 54%
×9stories
+181ft-148ft

Overall

13731

Females

4688

F40-44

4688

30K→20M

18.6 - 20.0 mi

Top 45%
×5stories
+64ft-50ft

Overall

11514

Females

3770

F40-44

3770

20M→21M

20.0 - 21.0 mi

Top 59%
×8stories
+106ft-24ft

Overall

14958

Females

5794

F40-44

5794

21M→35K

21.0 - 21.8 mi

Top 39%
×7stories
+17ft-86ft

Overall

10053

Females

3263

F40-44

3263

35K→23M

21.8 - 23.0 mi

Top 50%
×5stories
+23ft-63ft

Overall

12877

Females

4840

F40-44

4840

23M→24M

23.0 - 24.0 mi

Top 40%
×6stories
+12ft-82ft

Overall

10239

Females

3569

F40-44

3569

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

13013

Females

5042

F40-44

5042

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

10812

Females

4005

F40-44

4005

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2stories
+22ft-21ft

Overall

10119

Females

3571

F40-44

3571

Passing Analysis

Category:
Athletes Passed
2154
Passed By
2406
Net Change
-252
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12100
5K → 10K137576-439#12100#12539
10K → 15K155357-202#12539#12741
15K → 20K296202+94#12741#12647
20K → Half4857-9#12647#12656
Half → 25K256241+15#12656#12641
25K → 30K225407-182#12641#12823
30K → 20M22058+162#12823#12661
20M → 21M80237-157#12661#12818
21M → 35K13910+129#12818#12689
35K → 23M13895+43#12689#12646
23M → 24M16331+132#12646#12514
24M → 40K10587+18#12514#12496
40K → 25.2M7017+53#12496#12443
25.2M → Finish12231+91#12443#12352
TOTALS21542406-252
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

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