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BOSTON MARATHON 2025

Jillian Najewicz

PA

Bib: 19298 F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 48%
Gender (Female)
#0 / 12228
Top 33%
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:48/mi
24:14
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:40/mi
48:02
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:39/mi
1:11:48
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:41/mi
1:35:39
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:31/mi
1:40:47
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:43/mi
1:59:30
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:08/mi
2:24:45
↑ 181↓ 1480.2%
138 ft elev
20M
8:37/mi
2:36:27
↑ 64↓ 500.2%
148 ft elev
21M
8:48/mi
2:45:15
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:21/mi
2:51:30
↑ 17↓ 861.7%
156 ft elev
23M
8:46/mi
3:02:28
↑ 23↓ 630.6%
116 ft elev
24M
10:07/mi
3:12:35
↓ 821.3%
34 ft elev
40K· 24.85 mi
9:09/mi
3:20:24
↓ 200.3%
20 ft elev
25.2M
8:48/mi
3:23:26
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:36/mi
3:31:11
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:40:477:41 /mi⚡ faster
2nd Half
1:50:248:25 /mi+9.5%
Positive split — 9.5% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:1024:147:4824:14
7:48
-
10K
6.21 mi11:39:5848:027:4423:48
7:40
-0:08
15K
9.32 mi12:03:441:11:487:4223:46
7:39
-0:01
20K
12.43 mi12:27:351:35:397:4223:51
7:41
+0:02
Half
13.11 mi12:32:431:40:477:415:08
7:31
-0:10
25K
15.53 mi12:51:261:59:307:4218:43
7:43
+0:12
30K
18.64 mi13:16:412:24:457:4625:15
8:08
+0:25
20M
20.00 mi13:28:232:36:277:4911:42
8:37
+0:29
21M
21.00 mi13:37:112:45:157:528:48
8:48
+0:11
35K
21.75 mi13:43:262:51:307:536:15
8:21
-0:27
23M
23.00 mi13:54:243:02:287:5610:58
8:46
+0:25
24M
24.00 mi14:04:313:12:358:0110:07
10:07
+1:21
40K
24.85 mi14:12:203:20:248:047:49
9:09
-0:58
25.2M
25.20 mi14:15:223:23:268:043:02
8:48
-0:21
Finish
26.22 mi14:23:073:31:118:047:45
7:36
-1:12

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

7:31 /mi

Average Pace

8:04 /mi

Slowest Pace

10:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

1:43:01

49% of race

Time at Steady Pace

55:44

26% of race

Time at Slower Pace

52:26

25% of race

Average Pace: 8:03 /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 mi11:16:1024:147:4824:14
7:48
#14821
10K
6.21 mi11:39:5848:027:4423:48
7:40
#14156
15K
9.32 mi12:03:441:11:487:4223:46
7:39
#13779
20K
12.43 mi12:27:351:35:397:4223:51
7:41
#13332
Half
13.11 mi12:32:431:40:477:415:08
7:31
#13251
25K
15.53 mi12:51:261:59:307:4218:43
7:43
#12972
30K
18.64 mi13:16:412:24:457:4625:15
8:08
#12787
20M
20.00 mi13:28:232:36:277:4911:42
8:37
#12927
21M
21.00 mi13:37:112:45:157:528:48
8:48
#12866
35K
21.75 mi13:43:262:51:307:536:15
8:21
#12907
23M
23.00 mi13:54:243:02:287:5610:58
8:46
#13028
24M
24.00 mi14:04:313:12:358:0110:07
10:07
#13589
40K
24.85 mi14:12:203:20:248:047:49
9:09
#13740
25.2M
25.20 mi14:15:223:23:268:043:02
8:48
#13679
Finish
26.22 mi14:23:073:31:118:047:45
7:36
#13533
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi14821441844181307034893489
10K6.21 mi3.10 mi14156+6654032+3864032+3861355836933693
15K9.32 mi3.11 mi13779+3773839+1933839+1931307034893489
20K12.43 mi3.11 mi13332+4473623+2163623+2161221631213121
Half13.11 mi0.68 mi13251+813588+353588+351203229822982
25K15.53 mi2.42 mi12972+2793459+1293459+1291173029892989
30K18.64 mi3.11 mi12787+1853412+473412+471231034583458
20M20.00 mi1.36 mi12927-1403544-1323544-1321450347724772
21M21.00 mi1.00 mi12866+613541+33541+31232537763776
35K21.75 mi0.75 mi12907-413574-333574-331461850215021
23M23.00 mi1.25 mi13028-1213684-1103684-1101488652665266
24M24.00 mi1.00 mi13589-5614029-3454029-3452169389588958
40K24.85 mi0.85 mi13740-1514144-1154144-1151708866196619
25.2M25.20 mi0.35 mi13679+614121+234121+231070533613361
Finish26.22 mi1.02 mi13533+1464059+624059+621003630183018

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21story building
+97ft-345ft

Overall

13070

Females

3489

F18-39

3489

5K→10K

3.1 - 6.2 mi

Top 48%
×5story building
+79ft-138ft

Overall

13558

Females

3693

F18-39

3693

10K→15K

6.2 - 9.3 mi

Top 46%
×3story building
+67ft-78ft

Overall

13070

Females

3489

F18-39

3489

15K→20K

9.3 - 12.4 mi

Top 43%
×5story building
+106ft-86ft

Overall

12216

Females

3121

F18-39

3121

20K→Half

12.4 - 13.1 mi

Top 42%
×2story building
+19ft-37ft

Overall

12032

Females

2982

F18-39

2982

Half→25K

13.1 - 15.5 mi

Top 41%
×4story building
+66ft-88ft

Overall

11730

Females

2989

F18-39

2989

25K→30K

15.5 - 18.6 mi

Top 43%
×9story building
+181ft-148ft

Overall

12310

Females

3458

F18-39

3458

30K→20M

18.6 - 20.0 mi

Top 51%
×5story building
+64ft-50ft

Overall

14503

Females

4772

F18-39

4772

20M→21M

20.0 - 21.0 mi

Top 43%
×8story building
+106ft-24ft

Overall

12325

Females

3776

F18-39

3776

21M→35K

21.0 - 21.8 mi

Top 51%
×7story building
+17ft-86ft

Overall

14618

Females

5021

F18-39

5021

35K→23M

21.8 - 23.0 mi

Top 52%
×5story building
+23ft-63ft

Overall

14886

Females

5266

F18-39

5266

23M→24M

23.0 - 24.0 mi

Top 76%
×6story building
+12ft-82ft

Overall

21693

Females

8958

F18-39

8958

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

17088

Females

6619

F18-39

6619

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10705

Females

3361

F18-39

3361

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2story building
+22ft-21ft

Overall

10036

Females

3018

F18-39

3018

Passing Analysis

Category:
Athletes Passed
2985
Passed By
1697
Net Change
+1288
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14821
5K → 10K73772+665#14821#14156
10K → 15K43558+377#14156#13779
15K → 20K47023+447#13779#13332
20K → Half854+81#13332#13251
Half → 25K31637+279#13251#12972
25K → 30K318133+185#12972#12787
30K → 20M88228-140#12787#12927
20M → 21M12766+61#12927#12866
21M → 35K3980-41#12866#12907
35K → 23M83204-121#12907#13028
23M → 24M11572-561#13028#13589
24M → 40K46197-151#13589#13740
40K → 25.2M709+61#13740#13679
25.2M → Finish16014+146#13679#13533
TOTALS29851697+1288

Passing Charts

Category:
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Passing Circle

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Position Flow

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Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing