Boston Marathon logo
BOSTON MARATHON 2025

Rachel Alpert

MA

Bib: 16314 F

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 38%
Gender (Female)
#0 / 12228
Top 22%
Division (F18-39)
#0 / 5469
Top 38%
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
7:43/mi
23:58
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:45/mi
48:02
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:43/mi
1:11:59
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:47/mi
1:36:10
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:34/mi
1:41:20
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:39/mi
1:59:53
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:50/mi
2:24:14
↑ 181↓ 1480.2%
138 ft elev
20M
7:44/mi
2:34:45
↑ 64↓ 500.2%
148 ft elev
21M
8:16/mi
2:43:01
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:26/mi
2:48:35
↑ 17↓ 861.7%
156 ft elev
23M
7:50/mi
2:58:23
↑ 23↓ 630.6%
116 ft elev
24M
7:37/mi
3:06:00
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:38/mi
3:12:32
↓ 200.3%
20 ft elev
25.2M
7:20/mi
3:15:04
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:20/mi
3:22:32
↑ 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
1:41:207:44 /mi⚖️ balanced
2nd Half
1:41:127:43 /mi⚖️ balanced
Even split — consistent pacing between halves
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
23:587:433.11 mi23:58
7:43
-
10K
48:027:443.10 mi24:04
7:45
+0:02
15K
1:11:597:433.11 mi23:57
7:43
-0:02
20K
1:36:107:443.11 mi24:11
7:47
+0:04
Half(13.11 mi)
1:41:207:440.68 mi5:10
7:34
-0:13
25K
1:59:537:432.42 mi18:33
7:39
+0:05
30K
2:24:147:443.11 mi24:21
7:50
+0:11
20M
2:34:457:441.36 mi10:31
7:44
-0:06
21M
2:43:017:461.00 mi8:16
8:16
+0:32
35K
2:48:357:450.75 mi5:34
7:26
-0:50
23M
2:58:237:451.25 mi9:48
7:50
+0:24
24M
3:06:007:451.00 mi7:37
7:37
-0:13
40K
3:12:327:450.85 mi6:32
7:38
+0:01
25.2M
3:15:047:440.35 mi2:32
7:20
-0:18
Finish(26.22 mi)
3:22:327:441.02 mi7:28
7:20
0:00
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

7:20 /mi

Average Pace

7:44 /mi

Slowest Pace

8:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

3:14:16

96% of race

Time at Steady Pace

8:16

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:43 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi14074395939591356037713771
10K3.10 mi14141-674023-644023-641427841244124
15K3.11 mi13944+1973936+873936+871356037713771
20K3.11 mi13698+2463844+923844+921310536093609
Half(13.11 mi)0.68 mi13618+803797+473797+471224831073107
25K2.42 mi13162+4563568+2293568+2291112726582658
30K3.11 mi12567+5953308+2603308+2601018523762376
20M1.36 mi12214+3533148+1603148+160859017991799
21M1.00 mi11983+2313059+893059+89895521592159
35K0.75 mi11834+1493010+493010+49813217571757
23M1.25 mi11604+2302936+742936+74873421522152
24M1.00 mi11413+1912867+692867+69846920982098
40K0.85 mi11223+1902811+562811+56763518391839
25.2M0.35 mi11039+1842731+802731+802622284284
Finish(26.22 mi)1.02 mi10891+1482685+462685+46801420892089

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21story building
+97ft-345ft

Overall

13560

Females

3771

F18-39

3771

5K→10K

3.1 - 6.2 mi

Top 50%
×5story building
+79ft-138ft

Overall

14278

Females

4124

F18-39

4124

10K→15K

6.2 - 9.3 mi

Top 48%
×3story building
+67ft-78ft

Overall

13560

Females

3771

F18-39

3771

15K→20K

9.3 - 12.4 mi

Top 46%
×5story building
+106ft-86ft

Overall

13105

Females

3609

F18-39

3609

20K→Half

12.4 - 13.1 mi

Top 43%
×2story building
+19ft-37ft

Overall

12248

Females

3107

F18-39

3107

Half→25K

13.1 - 15.5 mi

Top 39%
×4story building
+66ft-88ft

Overall

11127

Females

2658

F18-39

2658

25K→30K

15.5 - 18.6 mi

Top 36%
×9story building
+181ft-148ft

Overall

10185

Females

2376

F18-39

2376

30K→20M

18.6 - 20.0 mi

Top 30%
×5story building
+64ft-50ft

Overall

8590

Females

1799

F18-39

1799

20M→21M

20.0 - 21.0 mi

Top 32%
×8story building
+106ft-24ft

Overall

8955

Females

2159

F18-39

2159

21M→35K

21.0 - 21.8 mi

Top 29%
×7story building
+17ft-86ft

Overall

8132

Females

1757

F18-39

1757

35K→23M

21.8 - 23.0 mi

Top 31%
×5story building
+23ft-63ft

Overall

8734

Females

2152

F18-39

2152

23M→24M

23.0 - 24.0 mi

Top 30%
×6story building
+12ft-82ft

Overall

8469

Females

2098

F18-39

2098

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

7635

Females

1839

F18-39

1839

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2622

Females

284

F18-39

284

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2story building
+22ft-21ft

Overall

8014

Females

2089

F18-39

2089

Passing Analysis

Category:
Passed
3773
Passed By
590
Net Change
+3183
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14074
5K → 10K230297-67#14074#14141
10K → 15K302105+197#14141#13944
15K → 20K33892+246#13944#13698
20K → Half866+80#13698#13618
Half → 25K4593+456#13618#13162
25K → 30K61722+595#13162#12567
30K → 20M3574+353#12567#12214
20M → 21M24514+231#12214#11983
21M → 35K1512+149#11983#11834
35K → 23M24919+230#11834#11604
23M → 24M2009+191#11604#11413
24M → 40K1977+190#11413#11223
40K → 25.2M1840+184#11223#11039
25.2M → Finish15810+148#11039#10891
TOTALS3773590+3183

Passing Charts

Category:
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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing