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BOSTON MARATHON 2025

Alexandria Russo

Bib: 15049•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 18%
Gender (Female)
#0 / 12228
Top 4%
Division (F18-39)
#0 / 5469
Top 8%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:17/mi
22:39
↑ 97↓ 3451.5%
10K· 6.21 mi
7:13/mi
45:03
↑ 79↓ 1380.4%
15K· 9.32 mi
7:08/mi
1:07:14
↑ 67↓ 78
20K· 12.43 mi
7:03/mi
1:29:07
↑ 106↓ 860.1%
Half· 13.11 mi
6:59/mi
1:33:53
↑ 19↓ 370.5%
25K· 15.53 mi
7:02/mi
1:50:56
↑ 66↓ 880.2%
30K· 18.64 mi
7:02/mi
2:12:46
↑ 181↓ 1480.2%
20M
6:50/mi
2:22:03
↑ 64↓ 500.2%
21M
6:58/mi
2:29:01
↑ 106↓ 241.6%
35K· 21.75 mi
6:25/mi
2:33:49
↑ 17↓ 861.7%
23M
6:33/mi
2:42:01
↑ 23↓ 630.6%
24M
6:17/mi
2:48:18
↓ 821.3%
40K· 24.85 mi
6:28/mi
2:53:50
↓ 200.3%
25.2M
7:06/mi
2:56:17
↑ 13↓ 160.2%
Finish· 26.22 mi
6:14/mi
3:02:38
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:33:53
Pace7:10 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:28:45
Pace6:46 /mi
📊Negative Split: 5.5% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:3922:397:1722:39
7:17
-
10K
6.21 mi11:17:0345:037:1522:24
7:13
-0:04
15K
9.32 mi11:39:141:07:147:1322:11
7:08
-0:05
20K
12.43 mi12:01:071:29:077:1021:53
7:03
-0:05
Half
13.11 mi12:05:531:33:537:104:46
6:59
-0:04
25K
15.53 mi12:22:561:50:567:0817:03
7:02
+0:03
30K
18.64 mi12:44:462:12:467:0721:50
7:02
0:00
20M
20.00 mi12:54:032:22:037:069:17
6:50
-0:12
21M
21.00 mi13:01:012:29:017:066:58
6:58
+0:08
35K
21.75 mi13:05:492:33:497:044:48
6:25
-0:33
23M
23.00 mi13:14:012:42:017:038:12
6:33
+0:08
24M
24.00 mi13:20:182:48:187:016:17
6:17
-0:16
40K
24.85 mi13:25:502:53:507:005:32
6:28
+0:11
25.2M
25.20 mi13:28:172:56:177:002:27
7:06
+0:38
Finish
26.22 mi13:34:383:02:386:586:21
6:14
-0:52

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

6:14 /mi

Average Pace

6:58 /mi

Slowest Pace

7:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

40:27

22% of race

Time at Steady Pace

2:22:11

78% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:58 /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 mi10:54:3922:397:1722:39
7:17
#10274
10K
6.21 mi11:17:0345:037:1522:24
7:13
#9883
15K
9.32 mi11:39:141:07:147:1322:11
7:08
#9430
20K
12.43 mi12:01:071:29:077:1021:53
7:03
#8735
Half
13.11 mi12:05:531:33:537:104:46
6:59
#8648
25K
15.53 mi12:22:561:50:567:0817:03
7:02
#8225
30K
18.64 mi12:44:462:12:467:0721:50
7:02
#7493
20M
20.00 mi12:54:032:22:037:069:17
6:50
#7089
21M
21.00 mi13:01:012:29:017:066:58
6:58
#6674
35K
21.75 mi13:05:492:33:497:044:48
6:25
#6452
23M
23.00 mi13:14:012:42:017:038:12
6:33
#6074
24M
24.00 mi13:20:182:48:187:016:17
6:17
#5765
40K
24.85 mi13:25:502:53:507:005:32
6:28
#5541
25.2M
25.20 mi13:28:172:56:177:002:27
7:06
#5438
Finish
26.22 mi13:34:383:02:386:586:21
6:14
#5240
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi10274192919298633(Top 30%)1272(Top 10%)1272(Top 23%)
10K6.21 mi3.10 mi9883+3911746+1831746+1839585(Top 34%)1630(Top 13%)1630(Top 30%)
15K9.32 mi3.11 mi9430+4531568+1781568+1788633(Top 30%)1272(Top 10%)1272(Top 23%)
20K12.43 mi3.11 mi8735+6951309+2591309+2597158(Top 25%)821(Top 7%)821(Top 15%)
Half13.11 mi0.68 mi8648+871283+261283+267521(Top 26%)890(Top 7%)890(Top 16%)
25K15.53 mi2.42 mi8225+4231137+1461137+1466539(Top 23%)729(Top 6%)729(Top 13%)
30K18.64 mi3.11 mi7493+732911+226911+2264879(Top 17%)428(Top 4%)428(Top 8%)
20M20.00 mi1.36 mi7089+404827+84827+843152(Top 11%)224(Top 2%)224(Top 4%)
21M21.00 mi1.00 mi6674+415741+86741+862160(Top 8%)135(Top 1%)135(Top 2%)
35K21.75 mi0.75 mi6452+222694+47694+472136(Top 8%)133(Top 1%)133(Top 2%)
23M23.00 mi1.25 mi6074+378623+71623+711658(Top 6%)104(Top 0.9%)104(Top 2%)
24M24.00 mi1.00 mi5765+309571+52571+521287(Top 5%)78(Top 0.6%)78(Top 1%)
40K24.85 mi0.85 mi5541+224530+41530+411535(Top 5%)108(Top 0.9%)108(Top 2%)
25.2M25.20 mi0.35 mi5438+103513+17513+171877(Top 7%)170(Top 1%)170(Top 3%)
Finish26.22 mi1.02 mi5240+198482+31482+311653(Top 6%)115(Top 0.9%)115(Top 2%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21story building
+97ft-345ft

Overall

8633

Females

1272

F18-39

1272

5K→10K

3.1 - 6.2 mi

Top 34%
×5story building
+79ft-138ft

Overall

9585

Females

1630

F18-39

1630

10K→15K

6.2 - 9.3 mi

Top 30%
×3story building
+67ft-78ft

Overall

8633

Females

1272

F18-39

1272

15K→20K

9.3 - 12.4 mi

Top 25%
×5story building
+106ft-86ft

Overall

7158

Females

821

F18-39

821

20K→Half

12.4 - 13.1 mi

Top 26%
×2story building
+19ft-37ft

Overall

7521

Females

890

F18-39

890

Half→25K

13.1 - 15.5 mi

Top 23%
×4story building
+66ft-88ft

Overall

6539

Females

729

F18-39

729

25K→30K

15.5 - 18.6 mi

Top 17%
×9story building
+181ft-148ft

Overall

4879

Females

428

F18-39

428

30K→20M

18.6 - 20.0 mi

Top 11%
×5story building
+64ft-50ft

Overall

3152

Females

224

F18-39

224

20M→21M

20.0 - 21.0 mi

Top 8%
×8story building
+106ft-24ft

Overall

2160

Females

135

F18-39

135

21M→35K

21.0 - 21.8 mi

Top 8%
×7story building
+17ft-86ft

Overall

2136

Females

133

F18-39

133

35K→23M

21.8 - 23.0 mi

Top 6%
×5story building
+23ft-63ft

Overall

1658

Females

104

F18-39

104

23M→24M

23.0 - 24.0 mi

Top 5%
×6story building
+12ft-82ft

Overall

1287

Females

78

F18-39

78

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1535

Females

108

F18-39

108

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1877

Females

170

F18-39

170

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2story building
+22ft-21ft

Overall

1653

Females

115

F18-39

115

Passing Analysis

Category:
Athletes Passed
5164*
Passed By
130
Net Change
+5034
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10274
5K → 10K484*93+391#10274#9883
10K → 15K48027+453#9883#9430
15K → 20K6972+695#9430#8735
20K → Half892+87#8735#8648
Half → 25K4274+423#8648#8225
25K → 30K7320+732#8225#7493
30K → 20M4040+404#7493#7089
20M → 21M4150+415#7089#6674
21M → 35K2220+222#6674#6452
35K → 23M3780+378#6452#6074
23M → 24M3090+309#6074#5765
24M → 40K2262+224#5765#5541
40K → 25.2M1030+103#5541#5438
25.2M → Finish1980+198#5438#5240
TOTALS5164*130+5034

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

📊

Passing Visuals

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